GE Profile Refigerator PSF PSS PSC PSW 31 9153

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GE Consumer & Industrial

Technical Service Guide
June 2007

Profile Side-By-Side
Refrigerators
PSF26PGWBB
PSS26PSWSS
PSC25PSWSS
PSW26RSWSS

31-9153
9153

GE Appliances
General Electric Company
Louisville, Kentucky 40225

HOME

WATER

HELP

CRUSHED

LOCK

CUBED

IMPORTANT SAFETY NOTICE
The information in this service guide is intended for use by
individuals possessing adequate backgrounds of electrical,
electronic, and mechanical experience. Any attempt to repair a
major ap pli ance may result in personal injury and property
damage. The manufacturer or seller cannot be responsible for the
interpretation of this information, nor can it assume any liability in
connection with its use.

WARNING
To avoid personal injury, disconnect power before servicing
this prod uct . If electrical power is required for diagnosis or test
purposes, disconnect the power immediately after performing the
necessary checks.

RECONNECT ALL GROUNDING DEVICES
If grounding wires, screws, straps, clips, nuts, or washers used to
complete a path to ground are removed for service, they must be
returned to their original position and properly fastened.

GE Consumer & Industrial
Technical Service Guide
Copyright © 2007
All rights reserved. This service guide may not be reproduced in whole or in part
in any form without written permission from the General Electric Company.

–2–

Table of Contents
3-Way Valve ..................................................................................................................................................................... 40
Beverage Center Blower Motor ............................................................................................................................... 30
Check Valve ...................................................................................................................................................................... 29
Components ..................................................................................................................................................................... 25
Components Locator Views ......................................................................................................................................20
Condenser Fan ................................................................................................................................................................ 32
Control Board Connector Locator .......................................................................................................................... 52
Control Diagnostics Using LCD Screen ................................................................................................................ 49
Control Features ............................................................................................................................................................. 8
CustomCool™ Assembly ............................................................................................................................................44
Defrost Cycles.................................................................................................................................................................. 35
Dispenser Assembly ..................................................................................................................................................... 46
Evacuation and Charging Procedure.................................................................................................................... 24
Freezer Evaporator........................................................................................................................................................ 25
Freezer Evaporator Fan............................................................................................................................................... 31
Freezer Section Cooling .............................................................................................................................................. 22
Fresh Food and Freezer Section Cooling ............................................................................................................ 23
Fresh Food Evaporator ................................................................................................................................................ 28
Fresh Food Evaporator Fan .......................................................................................................................................29
Fresh Food Section Cooling.......................................................................................................................................22
Icemaker Service Test Mode .....................................................................................................................................63
Introduction ...................................................................................................................................................................... 4
Inverter ............................................................................................................................................................................... 37
Inverter Compressor ..................................................................................................................................................... 38
Nomenclature .................................................................................................................................................................. 7
Precise Fill ......................................................................................................................................................................... 47
Precise Fill Troubleshooting.......................................................................................................................................62
QuickFreeze™ Fan Motor ...........................................................................................................................................32
Refrigeration System ................................................................................................................................................... 22
Replacing the 3-Way Valve .......................................................................................................................................42
Schematic .......................................................................................................................................................................... 64
Single-Speed Compressor .........................................................................................................................................39
Technical Data................................................................................................................................................................. 6
Thermistors ....................................................................................................................................................................... 34
Troubleshooting .............................................................................................................................................................. 49
Warranty............................................................................................................................................................................ 66

–3–

Introduction
*This new Profile Side by Side dual evaporator refrigerator has the following features:
•

New integrated dispenser with LED lighting, child lock, and door alarm combined with LCD screen
provides customer control of temperatures and features presented in computer-style menus.

•

Separate freezer and fresh food evaporators with independent cooling.

•

No damper/air inlet assembly in the fresh food section creates more usable space on the top shelf.

•

Greater fresh food humidity to keep food fresher, longer.

•

20% less freezer defrost for better food preservation.

•

3-way valve to direct refrigerant flow.

•

Nearly silent, only 30 dBA.

•

Precise Fill technology dispenses
fresh, filtered water in accurate
measurements.

•

QuickFreezeTM ― Freeze items 2 times
faster to enhance food preservation.
During normal freezing, ice crystals
form in the shape of needles that
puncture the cell walls of meat.
Punctured cell walls lose fluid during
defrosting thus losing nutrients and
freshness. The QuickFreeze option
freezes the cell walls before ice
needles develop.

•

Quick Ice ― Increases ice production
by approximately 40%.

•

TurboCoolTM ― Rapidly cools the
refrigerator compartment in order to
more quickly cool foods.

•

CustomCoolTM ― Quickly chill, thaw, or hold items at a specific temperature.

•

Electronic Beverage Center ― Keeps beverages and treats icy cold and easily accessible.

•

GE Reveal® Lighting ― Casts a clean, beautiful light throughout the refrigerator.

The 3-speed compressor* is controlled by an inverter that receives input from the low voltage DC side of the
main control board. The inverter always has 120 VAC applied when the refrigerator is connected to power.
The main control board still makes compressor decisions based on the input of thermistors, door-open
time, and input from the LCD display. The main control also operates all other electrical components in the
refrigerator such as the water valve, fan motors, lights, etc.

* Features may vary by model.

–4–

About ClimateKeeperTM
the airflow between the fresh food and freezer
compartments during normal cooling operations.*
This ensures that the humidity levels in the fresh
food compartment are significantly higher than in a
conventional system,** allowing fresh produce and
other unsealed foods to retain their moisture content
and freshness longer. Moisture sensitive foods such
as fresh fruit, salads, rice, etc., can now be stored on
open shelves without excessive moisture loss. Due to
the higher humidity in the refrigerator, you may on
occasion experience fog or small amounts of moisture
in the refrigerator compartment. This is normal and may
come and go as different food loads and environmental
conditions change. Wipe dry with a paper towel if desired.

How it Works
The ClimateKeeper2™ is the industry’s most advanced
refrigeration system, delivering optimum temperature
and humidity performance to keep food garden fresh
longer and reduce freezer burn, while maintaining E starlevel efficiency.
The ClimateKeeper2 system features two evaporators―
one for the refrigerator and one for the freezer. This
provides two separate cooling systems, and separates

The separate airflow system minimizes the mixing of
air between the two compartments, which reduces
fresh food odor transfer to improve the taste of ice.
The ClimateKeeper2 system also reduces the number
of defrosting cycles in the freezer evaporator, thereby
reducing freezer burn.
*Freezer air is used in the CustomCool™ feature.
**Testing shows a higher level of humidity in the Fresh
Food section in ClimateKeeper2 refrigerators versus
conventional units.

–5–

Technical Data

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1CDWa
 Refrigerator
Activate By: Using the arrows to select the desired
temperature. You must press ENTER to set the new
temperature.

(Continued next page)

–8–

To change the Freezer temperature:
Access By: Home > Freezer
Activate By: Using the arrows to select the desired
temperature. You must press ENTER to set the new
temperature.
Once the desired temperature has been set, the
display will return to the HOME screen and show the
set temperatures underneath the actual temperature
display for several seconds. Several adjustments may
be required. Each time you adjust the controls, allow 24
hours for the refrigerator to reach the temperature you
have set.
The temperature controls can display both the SET
temperature as well as the actual temperature in the
refrigerator and freezer. The actual temperature may
vary slightly from the SET temperature based on usage
and operating environment.

Options
Use options to access Refrigerator Options, Freezer
Options, Dispenser Options, and Information and Settings
menus. Access by: Home> Options.
• Press Freezer Options to access QuickIce and
QuickFreeze.
• Press Refrigerator Options to access CustomCool,
TurboCool, and Beverage Center.
• Press Dispenser Options to access Precise Fill and
Reset Water Filter.
• Press Information and Settings to access Settings,
Screen Appearance, and Feature Info.

–9–

Quick Ice
How to Use

When you need to speed up ice production, use the
Quick Ice feature. While this feature is turned on, the
freezer fan runs continuously for 48 hours, or until the
feature is turned OFF. During this period, ice production
will increase up to 40% (up to 2 lbs/day). Models with
the integrated ice feature system require at FIRST USE
at least half an 8 oz. glass of ice to be dispensed every
6 to 12 hours. This will help the icemaker fill the bucket
properly so that dispensing is better.

Access by pressing: Home > Options > Freezer Options
>Quick Ice. Activate by pressing ON. Deactivate by
pressing OFF.

Note: Ice production will vary according to usage
conditions, or if the same feature is deactivated earlier.

About QuickFreeze.™ (on some models)
The QuickFreeze plate is only to be used with the
QuickFreeze™ feature. Use QuickFreeze to freeze items
faster to enhance food preservation.

How to Use
Place food (wrapped in plastic wrap) on QuickFreeze
plate. Turn the feature on via the LCD controls. Access
by pressing: Home > Options > FreezerOptions >
QuickFreeze. Activate by using the arrows to select the
time and pressing Enter. Deactivate by pressing OFF.
Note:

Quickfreeze
Plate

•

While the QuickFreeze feature is enabled, the actual
freezer temperature may drop as low as –3°F (–19°C).
This is normal.

•

QuickFreeze can operate for 2.5 hours up to 3.25
hours depending on the weight of the food or until
you manually turn the feature off.

– 10 –

About CustomCoolTM (on some models)

How it Works
The CustomCool™ feature is used to quickly chill items, thaw items, or hold the pan
at a specific temperature. This feature is a system of dampers, a fan, a temperature
thermistor, and a heater. The pan is tightly sealed to prevent temperature fluctuations
in the rest of the refrigerator. The controls for this pan are located on the dispenser with
the temperature controls.

How to Use
Empty the pan. Place the Chill/Thaw tray in the pan. Place
the items on the tray and close the pan completely.
Access by: Home > Options >Refrigerator Options >
CustomCool Pan

Use the following list to determine the best setting to use.
•

On some models, ExpressChill™ has only one 45 minute setting.

•

To stop a feature before it is finished; go into that feature’s menu and press the OFF button.

•

During ExpressThaw™ and ExpressChill, the display on the controls will count down the time in the cycle (on some
models).

•

After the ExpressThaw cycle is complete, the pan will reset to the MEAT setting (32°F [0°C]) to help preserve thawed
items until they are used.

•

The displayed actual temperature of the CustomCool pan may vary slightly from the SET temperature based on
usage and operating environment.

Note: For food safety reasons, it is recommended that foods be wrapped in plastic wrap when using ExpressThaw. This
will help contain meat juices and improve thawing performance.

How to Remove and Replace the Drawer
To remove: Pull the drawer out to the stop position.
Rotate all four swing locks to the unlock position. Lift the
front of the drawer up and out.
To replace: Make sure all four swing locks are in the
unlock position. Place the sides of the drawer into the
drawer supports, making sure the swing locks fit on the
drawer slots. Lock all four swing locks by rotating them to
the lock position.

– 11 –

About TurboCoolTM
How it Works

How to Use

TurboCool™ rapidly cools the refrigerator compartment
in order to more quickly cool foods. Use TurboCool
when adding a large amount of food to the refrigerator
compartment, putting away foods after they have been
sitting out at room temperature or when putting away
warm leftovers. It can also be used if the refrigerator
has been without power for an extended period. Once
activated, the compressor will turn on immediately and
the fans will cycle on and off at high speed as needed
for eight hours. The compressor will continue to run until
the refrigerator compartment cools to approximately
34°F (1°C), then it will cycle on and off to maintain this
setting. After 8 hours, or if TurboCool is pressed again,
the refrigerator compartment will return to the original
setting.

Access by pressing: Home > Options > Refrigerator
Options > TurboCool. Activate by pressing ON. Deactivate
by pressing OFF.

Note: The refrigerator temperature cannot be changed
during TurboCool. The freezer temperature is not affected
during TurboCool. When opening the refrigerator door
during TurboCool, the fans will continue to run if they
have cycled on.

How to Use the Beverage Center
Some CustomCool models feature a beverage center. It
is designed to store beverages at colder temperatures.
Select this feature if you like to keep extra-chilled
refreshments on hand. Access by pressing Home >
Options > Refrigerator Options > Beverage Center
Activate by pressing ON. Deactivate by pressing OFF.
Note: Unless turned off as above, feature will remain
active for six months. Press the Beverage Center pad to
restart.

How to Remove and Replace the Beverage Center
Dairy Bin

To remove:
Remove dairy bin first. Holding the bottom of the dairy
bin, lift the front straight up, then lift up and out. Holding
left and right side of beverage center, lift straight up and
out. Leave adapter in place.
To replace:

Beverage
Center

Engage backside of beverage center in molded supports
on adapter. Then push down on the sides of the beverage
center. The beverage center will lock into place. Replace
dairy bin.

– 12 –

Precise Fill (on some models)
This water dispenser is equipped with a feature called
“precise fill.” This feature allows you to choose a precise
amount of water (cups, ounces, pints, or liters) that
you would like dispensed. Access by pressing: Home >
Options > Dispenser Options > Precise Fill > Set Amount.
Activate by using the arrow buttons to select the desired
amount. Press MORE UNITS to select between CUPS,
OUNCES, PINTS or LITERS.
Select the precise amount of water you would like
dispensed. If you selected OUNCES, press the arrowpads
on either side of the display to select the number of
ounces you would like to have dispensed between 1–128
ounces. If you selected Liters you can dispense between
0-4 liters. If you selected Pints you can dispense
between 0-8 pints.
If you selected CUPS, press the arrow pads on the left of the display to select the whole cups (1–16 cups) and/or the
arrow pads on the right side of the display to select fractions of a cup (1/4–3/4 cups).
Press the cup against the cradle and water will begin dispensing. It will automatically stop when the amount set has
been dispensed. The display will show there is no water left to dispense, then reset.
Note: Do not leave the dispenser unattended when water is being dispensed.
If you would like to stop dispensing water before the specified amount has been dispensed, just remove the cup from
the cradle. The display will show the amount left to dispense.

About the water filter.
Water Filter Cartridge
The water filter cartridge is located in the back upper
right corner of the refrigerator compartment.

Filter
Bypass
Plug

When to Replace the Filter
A pop-up screen will appear on the LCD screen to remind
you to replace the water filter. You can check the status
of the water filter manually. Access by pressing: Home >
Options > Dispenser Options> Reset Water Filter.
The filter cartridge (part #WR02X12345) should be
replaced when the replacement indicator light turns
red or if the flow of water to the dispenser or icemaker
decreases.
Filter Bypass Plug
You must use the filter bypass plug (part #WR02X12343)
when a replacement filter cartridge is not available. The
dispenser and the icemaker will not operate without the
filter or filter bypass plug.

– 13 –

SmartWater

Information and Settings
Use Information and Settings to access Settings, Screen
Appearances, and Feature Info. Access by: Home>
Options> Information and Settings.
• Press Settings to access Button Beep, Door Alarm,
Units Metric/English, and Cooling System Off.
• Press Screen Appearance to access Color Options,
Brightness, and Screen Saver.
•

Press Feature Info to access information related to
Precise fill, CustomCool, QuickFreeze, LCD Screen
Colors, Beverage Center, Temperature Set, Quick Ice,
and TurboCool..

Cooling System Off
Access by: Home> Options> Information and Settings>
Setting> Cooling System Off. Press Enter to turn the
cooling system off. To turn the cooling system back on,
press the touch screen and press the ON button.
Activate By: Pressing ENTER.

Note
•

Turning the cooling system OFF stops cooling in
both the freezer and refrigerator compartments, but
does not shut off electrical power to the refrigerator.

•

When the unit is turned back on, it will be set to the
standard settings and will take up to 24 hours to
stabilize.

Screen Appearance
Access by: Home> Options> Information and Settings >
Screen Appearance.
• Press Color Options to select the color theme of the
touch screen.
• Press Brightness to adjust the brightness of the touch
screen.
• Press Screen Saver to turn on or off the screen saver
display.

– 14 –

Feature Info
Access by: Home> Options> Information and Settings>
Feature Info. Features will access information related to:
• Precise Fill
• CustomCool™
• QuickFreeze™
• LCD Screen Colors
• Beverage Center
• Temperature Set
• Quick Ice
• TurboCool™

About the help screen
The Help screen provides General information and
guidance to certain features of the refrigerator. The
help screen can also provide help regarding the Current
screen displayed. To access Help, press the Help pad.

General
Access by: Help> General. Scroll to select help on Freezer,
Refrigerator, and Dispenser Options, Information and
Settings, and Status Bar.

Current
Access by: Help> Current. Press Status Bar, Freezer,
Refrigerator, or Options to receive help on selected item.

– 15 –

Demo Mode
The LCD screen has a DEMO MODE that can be accessed. To enter the DEMO Mode press the HOME and
HELP pads simultaneously for 3 seconds. Upon entering, the cooling system will turn off.
The VIEW FEATURE selection provides a description and instructions on how to use 8 features of the
refrigerator. The 8 features presented are Precise Fill, CustomCoolTM, QuickFreezeTM, LCD Screen Colors,
Beverage Center, Temperature Set, Quick Ice, and TurboCoolTM.
DEMO SCREEN offers instructions on how to select and change compartment temperatures and set
dispenser light LEDs on or off. An OPTIONS setting will display freezer options QuickFreeze and Quick Ice, and
refrigerator options CustomCool, Beverage Center, and TurboCool.
To exit the DEMO MODE press the HOME and HELP pads simultaneously for 3 seconds. Upon exiting,
the cooling system will turn on and the DEMO MODE temperature settings will be used to operate the
refrigerator.

– 16 –

Replacing the light bulbs.
Setting the controls to OFF does not remove power to the light circuit.
Reveal® appliance bulbs are used on some models. They can be identified by their blue color when they are not
illuminated.
Not all features are on all models.
Your light shield will look like
one of the following.

Tabs

OR

Pocket

O
LD

LD

Unplug the refrigerator.
The bulbs are located at the top of the
compartment, inside the light shield. On
some models, a screw at the front of the
light shield will have to be removed. On other
models, the screw is located in the pocket
located at the back of the light shield.
To remove the light shield, on some models,
press in on the tabs on the sides of the shield
and slide forward and out. On other models,
just slide the shield forward and out.

Refrigerator Compartment ―
Lower Light

C

ES

CO

Refrigerator Compartment ―
Upper Light

T

This light is located above the top drawer.
Unplug the refrigerator.
Remove the convertible meat drawer
control knob by pulling straight out.

Freezer Compartment
Unplug the refrigerator.
Remove the shelf just above the light
shield. On some models, a screw at the
top of the light shield will need to be
removed.
To remove the light shield, press in on
the sides, and lift up and out.
Replace the bulb with an appliance
bulb of the same or lower wattage, and

– 17 –

After replacing the bulb with an appliance
bulb of the same or lower wattage, replace
the light shield and screws (on some
models). When replacing the light shield,
make sure that the tabs at the back of the
shield fit into the slots at the back of the
light shield housing.
Plug the refrigerator back in.

Lift the light shield up and pull it out.
After replacing the bulb with an appliance
bulb of the same or lower wattage, replace
the shield and the knob.
Plug the refrigerator back in.

reinstall the light shield. When reinstalling
the light shield, make sure the top tabs snap
securely into place. Replace the screw (on
some models).
Reinstall the shelf and plug the refrigerator
back in.

Dispenser LED Light

If the lock is engaged when the filter timer expires,
the LED will come on but cannot be reset until the
lock is turned off.

The LIGHT selection on the LCD screen turns the
dispenser LED lights on and off. When the light
selection is turned off, the LEDs will fade out. The
dispenser LEDs will come on automatically when
the dispenser cradle is pressed and will fade out
approximately 5 seconds after it is released. The
LIGHT selection will not turn off the LEDs during
dispensing.

The lock feature will be restored in the event of a
power disruption.
Liner Protection Mode

Dispensing Functions
The water, crushed ice, and cubed ice functions
are controlled by the main control board. To select
a function, press the appropriate pad on the
dispenser. The LED will light to identify the selection.
To dispense ice cubes or crushed ice, choose the
appropriate pad and depress the dispenser cradle.
The solenoid and linkage assembly will open the ice
chute duct door to dispense the ice. If cubed ice is
selected, a solenoid located behind the ice bucket
will lift a rod along the side of the bucket. This rod
pulls a flapper away from the cutter blades, allowing
cubes to bypass the ice crusher. The dispenser duct
door will remain open for approximately 3 seconds
after dispensing to allow all ice to clear the chute.

The dual evaporator model has separate liner
protection modes for each section. The specific
evaporator fan (freezer or fresh food) will start and
run on high speed if the door has been open for 3
minutes.
This mode is controlled by 2 timers. Timer #1
monitors door-open time. A 3-minute door-open
count begins when the door is opened. If 3 minutes
elapse before the door is closed, the liner protection
mode will become active. Once the door is closed,
timer #1 resets and liner protection mode goes into
standby. In standby, normal fan operation resumes
and timer #2 begins a 3-minute door-closed count.
If 3 minutes elapse without a door opening, liner
protection mode will completely deactivate. If a
door is opened within the timer #2 door-closed
count, the remaining time in the door-closed count
will be deducted from the timer #1 door-open count.

The dispenser light LEDs will come on automatically
when the dispenser cradle is pressed and will fade
out 5 seconds after it is released.
Dispenser Lock
When the dispenser system is locked, no dispenser
command will be accepted. This includes the
dispenser cradle and will prevent accidental
dispensing that may be caused by children or pets.
If the touch screen, pad, or the cradle is depressed
with the system locked, it will be acknowledged with
three pulses of the LOCK LED accompanied by an
audible tone.
To lock or unlock communication between the
dispenser and main control board, press the LOCK
pad and hold it for 3 seconds. The LOCK LED will
flash while the LOCK pad is pressed. When the
communication is locked, the LOCK LED will be
illuminated.
On some models, the status of other functions
selected prior to the initiation of the lock feature will
be displayed. If the lock is engaged while a mode is
active, the LED will remain on until that mode times
out.

– 18 –

About the refrigerator doors.
Door Closure Mechanism
The closure mechanism consists of a lever, attached
with a spring to a hook in the base channel, which
interacts with a cam mounted to the bottom of each
door with two T-20 Torx screws. A pair of pliers can
be used to remove the spring from the hook. The
spring and lever can then be pulled out through the
hole in the base channel.

Hook

Cam
Lever
Spring

Roller

Door Alignment
If doors are uneven, adjust the refrigerator door.
1. Using a 7/16-in. wrench, turn the door adjusting
screw to the right to raise the door, to the left to
lower it. (A nylon plug, imbedded in the threads
of the pin, prevents the pin from turning unless a
wrench is used.)
2. After one or two turns of the wrench, open
and close the refrigerator door and check the
alignment at the top of the doors.

7/16-in.
Wrench
7/16Wrench

Raise
Raise

Door Handle Removal
Note: Each door handle is held to an upper and
lower fastener and locked in position by a recessed
tab. Each fastener is located behind the handle and
attached to the door panel.
Using a flat blade screwdriver, press the tab on the
top underside of the handle toward the front of the
handle while sliding the handle up and off of the
mounting fasteners.
Door Handle Installation
Install the handle to the handle mounting fasteners
by aligning the slots with the handle mounting
fasteners. Slide the handle down until it is firmly
locked into position.

– 19 –

Recessed Tab
Location

Components Locator Views
Rear View (Non-Inverter model shown)

Main Control Board

3-Way Valve
Compressor
Water Valve

Condenser Fan
Condenser

Dryer
Jumper Tube

Rear View (Inverter model shown
with drain tube and selected wiring
removed for clearer view.)

Compressor

Inverter

(Continued next page)

– 20 –

Check Valve

1

Front View

Over-Temp Thermostat

Note: The check valve
is part of the freezer
evaporator and is not
available separately.
Freezer Evaporator

Note: Thermistor locations

2

3

1

Freezer Evaporator
Thermistor

2

Freezer Thermistor

3

Fresh Food
Thermistor

4

Fresh Food
Evaporator
Thermistor
(located on back of
evaporator)

5

CustomCoolTM
Thermistor (located
inside compartment)

4

Fresh Food Evaporator

Custom Cool
5

– 21 –

Refrigeration System
Fresh Food Section Cooling
Condenser Fan Running
Freezer Fan Off

*
Fresh Food Fan Running

*Note: Variable speed compressors have an accumulator.
Single-speed compressors do not have an accumulator.

Freezer Section Cooling
Condenser Fan Running

Freezer Fan Running

*
Fresh Food Fan Off

*Note: Variable speed compressors have an accumulator.
Single-speed compressors do not have an accumulator.

(Continued next page)

– 22 –

Fresh Food and Freezer Section Cooling

Condenser Fan Running

Freezer Fan Running

*
Fresh Food Running

*Note: Variable speed compressors have an accumulator.
Single-speed compressors do not have an accumulator.

– 23 –

Evacuation and Charging Procedure
Refer to Service Guide #31-9118 for complete
instruction on replacing the freezer & fresh food
evaporators. Refer to Service Guide #31-9067 for
complete instructions on using the LOKRING method
of installing an evaporator.

WARNING:
•

Be careful when using a torch inside the
plastic cabinet. Use approved safety
equipment and protect the liner from
damage with the heat shield kit (part
#WX5X8926) which includes the heat shield
and thermal paste. The thermal paste is
available separately (part #WX5X8927).

•

Before cutting or using a torch on
refrigerant tubes, recover the refrigerant
from the system using approved recovery
equipment.

•

Never charge new refrigerant through the
purge valve. This valve is always located on
the high-pressure side of the system.

•

Never apply heat from any source to a
container of refrigerant. Such action will
cause excessive pressure in the container.

•

Always wear goggles when working with
refrigerants and nitrogen holding charge in
some replacement parts. Contact with these
gases may cause injury.

4. Open the ball valve. Recover the purge/sweep
charge using the recovery pump and the
refrigerator compressor until a 20-in. vacuum
is attained. Close the ball valve and remove the
recovery hose.
5. Charge the system with the exact amount of R134a refrigerant specified.
6. Disconnect the power cord to the refrigerator.
This allows the pressure to equalize. After 3 to 5
minutes, the low-pressure side will be positive
and then, the hose-to-charging port can be
disconnected.
7. Using an electronic leak detector, check all
brazed joints and both schrader ports. Reinstall
caps to schrader ports.

1. Attach the hose from the R-134a charging
cylinder to the process tube port on the
compressor.
2. Evacuate the system to a minimum 20-in.
vacuum using the refrigerator compressor and
recovery pump, which is attached to the new
drier assembly.
3. Turn off the recovery pump. Close the ball valve
on the hose connected to the high-pressure
side port connection. Add 3 ounces of R-134a
refrigerant to the system. Let the refrigerator
operate and circulate the refrigerant for 5
minutes.

– 24 –

Components

Freezer Evaporator
The following components must be removed in the
appropriate order to access the freezer evaporator:

5. Rotate the icemaker to the right, then pull the
left side towards the front to disengage it from
the 2 posts.

1. Unplug the refrigerator.
2. Remove the ice bucket, shelves, and drawers.
Post

3. Using a small flat-blade screwdriver, expand
the 2 clips and disconnect the icemaker wire
harness from the auger motor assembly.

Post

Icemaker Wire Harness

6. Remove the four ¼-in. hex-head screws from
the front of the auger motor assembly.

Clip (1 of 2)

Note: The icemaker is held to the left side freezer
wall with a Phillips-head screw, spacer, and 2 posts.
4. Remove the single Phillips-head screw from the
icemaker.
Spacer

7. Lift the auger motor assembly up, pull it forward,
and disconnect the wire harness.

Wire Harness

8. Remove the four ¼-in. hex-head screws
that attach the QuickFreeze™ fan housing (if
equipped), to the 2 mounting brackets.

– 25 –

(Continued next page)

9. Lift the fan housing up, pull it forward, and
disconnect the wire harness.

14. Unclip the light bulb sockets from their mounting
holes and disconnect the sockets.

10. Remove the two ¼-in. hex-head screws that
attach each mounting bracket.

Wire Harness

(Continued next page)

Note: The evaporator cover is held in place by four
¼-in. hex-head screws and 2 top tabs. The tabs are
inserted into recessed slots in the bottom of the
evaporator fan plenum.
15. Remove the 4 hex-head screws that hold the
freezer evaporator cover in place.
16. Lift the cover up to clear the front lip of the drain
trough, then lower the cover to release it from
the 2 recessed slots.

11. Slide the air tunnel upward to remove.

17. Pull the left side of the cover out and rotate the
harness grommet clockwise to release it from
the cover.
18. Carefully remove the cover from the freezer.
Fan Plenum

Top tabs

Harness Grommet

Note: Failure to replace the air tunnel will affect
temperature performance.
12. Remove the three T-20 torx screws that attach
each drawer track to the left wall of the freezer.
13. Remove the light bulb cover and light bulbs.

(Continued next page)

– 26 –

19. Press inward on the 2 tabs and release the
auger motor assembly wire harness receptacle
from the evaporator fan plenum.

21. Unclip the evaporator thermistor and ground
wires from the evaporator.
22. Remove the two ¼-in. hex-head screws from
the fan bracket.

Thermistor

20. Remove the 4 hex-head screws that hold the
evaporator fan plenum in place (Fig. 1 and
Fig. 2).

Ground Wires

23. Peel back the tape then slide out the wiring
grommets from the fan bracket.
24. Remove the fan bracket.

Top Hex-head Screws

Fig. 1
Note: The bottom hex-head screws are hidden
under the bottom of the evaporator fan plenum.
Grommet
(1 of 2)

Bottom Hex-head Screws

Fig. 2

– 27 –

5. Carefully pull the cover forward, then disconnect
the fresh food evaporator fan and beverage
center blower.

Fresh Food Evaporator
The following components must be removed in
the appropriate order to access the fresh food
evaporator:
1. Remove the CustomCool™ drawer, and
necessary drawers and covers above the
CustomCool drawer, to expose the evaporator
cover.

Disconnect

Disconnect
Fresh Food
Evaporator Fan

Note: The water line coil cover is slotted. To remove
it, slide the water line coil cover toward the door
opening.
2. Remove the water line coil cover and lay
the water line assembly down on top of the
CustomCool housing for better access to the
fresh food evaporator fan cover.

Beverage
Center
Blower

6. Loosen the 2 Phillips-head screws that hold the
fresh food evaporator in place.

3. Pull out and remove the top insulation cover and
the bottom tubing cover and styrofoam block
inside.

Screw

Screw

Insulation Cover
Evaporator Cover
Tubing Cover

7. Carefully lift and pull the fresh food evaporator
forward. Cut the tie strap that holds the
thermistor thermal block in place.
8. Remove the evaporator thermistor and block
from the evaporator.

Water Line Coil Cover

4. Remove the 3 Philips-head screws that hold the
fresh food evaporator fan cover in place.
Tie Strap
Thermal Block

– 28 –

Fresh Food Evaporator Fan

Check Valve

A variable speed
12-VDC motor
is mounted in
front of the fresh
food evaporator.
The fan, the
blower, and
evaporator cover
are replaced
as a complete
assembly.

Check Valve

•

A nylon piston inside the check valve floats back
and forth, depending upon refrigerant flow.

•

The check valve prevents refrigerant from
flowing back into the freezer evaporator.

•

When the main control rotates the 3-way valve
for fresh food only cooling, the check valve will
prevent refrigerant from flowing in the freezer
evaporator (refrigerant will naturally flow to the
coldest area).

•

The check valve is only available with a new
freezer evaporator.

Caution: Do not attempt to replace only the
check valve. The nylon piston in the check valve is
extremely heat sensitive.

When activated, the fresh food evaporator fan
recirculates the air in the fresh food compartment,
providing cooling independent of the freezer
evaporator fan.
The main control board gathers information from
the fresh food thermistors to determine when, and
at what speed, fan operation should occur.
A constant 13.6 VDC is provided to the fan from the
main control board (J2 pin 8 to J2 pin 3).
Speed is regulated by pulse width modulation on
the common side of the fan. When operating, the
common side of the circuit is pulsed open and
closed. This pulsing produces effective voltage
being received at the motor, which is equivalent to
a reduction in voltage. Fan speed is selected and
maintained by the main control board regulating
the length and frequency of the 13.6-VDC pulse.
13.6 VDC
12 VDC
0 VDC
High Speed (12 VDC measured)
13.6 VDC
10 VDC
0 VDC
Medium Speed (10 VDC measured)
13.6 VDC
9 VDC
0 VDC
Low Speed (9 VDC measured)

– 29 –

For testing, the beverage center blower motor can
be run for short periods using a 9-volt battery.

Beverage Center Blower Motor
A 12-VDC blower motor is mounted inside the fresh
food evaporator fan housing. The blower motor,
evaporator fan, and evaporator cover are replaced
as a complete assembly.

Note: Unless turned off at the control, the beverage
center feature will remain active for 6 months. Press
the Beverage Center pad to restart.

WHEN APPLICABLE

TAN

RED

BLACK/WHITE
CC FAN

FF FAN

WHITE/SILVER (COMM)

J2-3

BLUE/WHITE (MODEL)

J3-3 J2-1 J2-2

YELLOW/BLACK

BLUE (RPM)

FZ COMPARTMENT
RED

BLACK

EVAP. FAN
COND. FAN

QUICK FREEZE
FAN

WHEN APPLICABLE

Drain Tube

A constant 13.6 VDC is provided to the fan from the
main control board (J2 pin 8 to J2 pin 3) when the
fresh food door is closed.
The blower will cool the beverage center bin up
to 4°F (-15.5°C) less than the set point of the fresh
food. The main control board works with the fresh
food thermistor and the fresh food evaporator
thermistor to create an algorithm. This algorithm
turns the beverage center blower motor on and off
to keep the bin cool. The main control board will also
monitor fresh food temperatures and will not allow
items to freeze in the bin.

– 30 –

YELLOW

BLUE

WHITE

YELLOW

RED

WHITE

YELLOW

BLACK/WHITE

RED

When activated (See Control Features), the beverage
center blower circulates air from the fresh food
evaporator into the beverage center bin. The air
enters the beverage center through a channel
molded inside the center wall. A drain tube allows
accumulated moisture from the bottom of the air
channel to be directed to the fresh food evaporator
drain trough.

YELLOW

MAIN CONTROL BOARD

+12V RED

J2-4 J2-5 J2-6 J2-7 J2-8

RED/YELLOW

J3-1

BC
FAN
RED

Freezer Evaporator Fan
The position of the fan blade in relation to the
shroud is important.

5/16" ± 0.03

Blade tip
1.0" ± 0.05 Target
Orifice
Air Flow
Motor

The evaporator fan is the same fan used on previous
models; however, a significant difference is that the
main control board neither requires nor receives
input from the fan feedback/rpm (blue) wire. The fan
utilizes a permanent magnet, 4-pole, DC motor that
operates at 3 different speeds: high, medium, and
low.
The speed of the fan is controlled by the voltage
output from the main control board (J2 pin 8 to J2
pin 3). Voltage output from the main control board
to the fan is 13.6 VDC; however, to regulate the
speed of the fan, the main control board uses pulse
width modulation.
When operating, voltage is sent in pulses (much like
a duty cycle) as opposed to an uninterrupted flow.
This pulsing of 13.6 VDC produces effective voltage
being received at the motor, which is equivalent to a
reduction in voltage.

13.6 VDC
9.5 VDC
0 VDC
High Speed (9.5 VDC measured)
13.6 VDC
8 VDC
0 VDC
Medium Speed (8 VDC measured)

Fan speed is selected and maintained by the main
control board regulating the length and frequency
of the 13.6-VDC pulse. Temperature can cause
some fan speed variation. Fan speed can vary
+/- 5%, depending on the temperature, with higher
temperatures causing slightly higher speeds.
The evaporator fan has a 4-wire connection:
White Wire - DC Common (J2 pin 3)
The white wire is the DC common wire used
for testing. During repairs, DC polarity must be
observed. Reversing the DC polarity causes a
shorted motor and/or board.
Red Wire - Supply (J2 pin 8)
Each motor uses an internal electronic controller to
operate the motor. Supply voltage from the main
control board remains at a constant 13.6 VDC.
Blue Wire - Feedback/RPM (J2 pin 1)
On previous Arctica models, the blue wire reported
rpm (speed) information to the main control board
for speed control purposes. On this model, the board
does not require or read any feedback information
from the fan motor.
Yellow Wire - Signal (J2 pin 4)
The yellow wire is the input wire from the main
control board. The main control board provides
6.5-VDC effective voltage for low speed, 8-VDC
effective voltage for medium speed, and 9.5-VDC
effective voltage for high speed. The fan operates
in low speed only when the fresh food thermistor is
satisfied.
Note: When testing these motors:
• You cannot test with an ohmmeter.
• DC common is not AC common.
• Verify 2 voltage potentials:
a. Red to white - power for internal controller
b. Yellow to white - power for fan
• Observe circuit polarity.
• Motors can be run for short periods using a
9-volt battery. Connect the white wire to the
negative (-) battery terminal only. Connect the
red and yellow wires to the positive (+) battery
terminal.

13.6 VDC
6.5 VDC
0 VDC
Low Speed (6.5 VDC measured)

– 31 –

QuickFreeze™ Fan Motor

Condenser Fan

A 12-VDC motor is mounted in front of the freezer
evaporator cover. The fan motor and fan housing
are replaced as a complete assembly.

The fan is mounted in the machine compartment
with the no-clean condenser. The fan and fan
shroud are mounted on one end of the condenser,
and the other end of the condenser is blocked.
When the fan is operating, air is pulled from the
center of the condenser, drawing air in through the
coils. The air is then exhausted over the compressor
and out the right side of the refrigerator.
Inlet air is available through the left front and left
rear of the machine compartment. A rubber divider
strip underneath the refrigerator divides the inlet
and outlet sides of the machine compartment.

When activated (See Control Features), the
QuickFreeze™ fan circulates freezer air directly
onto food placed on the aluminum tray. Food can
be frozen up to 2 times faster, reducing moisture
loss when food is thawed. A constant 13.6 VDC is
provided to the fan from the main control board.
For testing, the motor can be run for short periods
using a 9-volt battery. Observe circuit polarity.
Connect the red wire to the positive (+) battery
terminal and the remaining wire to the negative (-)
battery terminal.
WHEN APPLICABLE
BC
FAN

BLACK/WHITE
CC FAN

FF FAN

YELLOW
YELLOW/BLACK
WHITE/SILVER (COMM)
BLUE/WHITE (MODEL)
BLUE (RPM)

FZ COMPARTMENT
RED

BLACK

EVAP. FAN
COND. FAN

J3-1

Divider Strip
Front

1/2"

Housing

Fan
YELLOW

BLUE

WHITE

YELLOW

RED

WHITE

YELLOW

RED

BLACK/WHITE

Rear

MAIN CONTROL BOARD

TAN

J2-4 J2-5 J2-6 J2-7 J2-8

+12V RED
RED

J2-3

RED/YELLOW

J3-3 J2-1 J2-2

RED

QUICK FREEZE
FAN

0.375"
WHEN APPLICABLE

Motor

Air Flow
Bracket
0.50" ± 0.05"

The rear access cover must be tightly fitted to
prevent air from being exhausted directly out of the
rear of the machine compartment, bypassing the
compressor.

– 32 –

The condenser fan is mounted with screws to a fan
shroud and mounting bracket that is attached to
the condenser. To access the condenser fan motor,
disconnect power from the refrigerator and remove
the machine compartment cover.
Depending on the model, use one of these two
methods to remove the condenser fan motor from
the refrigerator.
Method #1:
1. Disconnect the condenser fan plug, then remove
the ¼-in. hex-head screw from the upper corner
(closest to you).
2. Pull the shroud assembly slightly to disengage
from the mounting tab.
3. Tilt the shroud assembly towards the
compressor and gently pull the assembly out .

The speed of the fan is controlled by the voltage
output from the main control board (J2 pin 8 to J2
pin 3). Voltage output from the control board to the
fan is 13.6 VDC; however, to regulate the speed of
the fan, the main control board uses pulse width
modulation.
When operating, voltage is sent in pulses (much like
a duty cycle) as opposed to an uninterrupted flow.
This pulsing of 13.6 VDC produces effective voltage
being received at the motor, which is equivalent to a
reduction in voltage.
Fan speed is selected and maintained by the main
control board regulating the length and frequency
of the 13.6 VDC pulse.

Method #2:
1. Pull the condenser fan blade off the motor shaft.
2. Remove the two ¼-in. hex-head screws that
hold the mounting bracket together.
3. Remove the front mounting bracket and note
the position of the grommet.
4. Disconnect the condenser fan plug, remove the
wire harness from the fan shroud clips, then
remove the fan motor.
Temperature can cause some fan speed variation.
Fan speed can vary +/- 5%, depending on the
temperature, with higher temperatures causing
slightly higher speeds.

Fan Blade

Condenser fan speed is controlled by pulse width
modulation, the same method used to control fan
speeds for the evaporators.

Motor

13.6 VDC
12.0 VDC
0 VDC
Super High Speed (12.0 VDC measured)

13.6 VDC

On inverter compressor models, condenser fan
speed coincides with compressor speed (low,
medium, high) to minimize pressure variations in the
sealed system except when the freezer temperature
is 20°F above the set point. If this condition exists
(such as during initial startup), the condenser fan
operates at super high speed while the compressor
operates at medium speed.

10.5 VDC
0 VDC
High Speed (10.5 VDC measured)
13.6 VDC
7.5 VDC
0 VDC
Medium Speed (7.5 VDC measured)
13.6 VDC
5.5 VDC

Note: Single-speed compressor models use a singlespeed condenser fan.

– 33 –

0 VDC
Low Speed (5.5 VDC measured)

Fresh Food and Freezer Thermistors

Thermistors

The fresh food and freezer thermistors (part #
WR55X10025) are located in the mullion dividing the
fresh food and freezer compartments.

Temperature
(°C)

Resistance in KiloOhms

-40

-40

166.8 kΩ

-31

-35

120.5 kΩ

-22

-30

88 kΩ

-13

-25

65 kΩ

-4

-20

48.4 kΩ

5

-15

36.4 kΩ

14

-10

27.6 kΩ

23

-5

21 kΩ

32

0

16.3 kΩ

41

5

12.7 kΩ

50

10

10 kΩ

59

15

7.8 kΩ

68

20

6.2 kΩ

77

25

5 kΩ

86

30

4 kΩ

95

35

3.2 kΩ

104

40

2.6 kΩ

113

45

2.2 kΩ

122

50

1.8 kΩ

131

55

1.5 kΩ

140

60

1.2 kΩ

Note: The fresh food and freezer thermistors are
removed in the same manner.
To remove the thermistor cover, insert a flat-blade
screwdriver under the front of the cover and gently
lift at the bottom edge until it releases from the
compartment wall.

Insert

Thermistor Cover

ft

Temperature
(°F)

Li

Thermistor Resistance

Freezer Evaporator Thermistor
The freezer evaporator thermistor (part #
WR55X10025) is clipped to the top coil of the freezer
evaporator. (See Freezer Evaporator for accessing
instructions.)

Note: To accurately test a thermistor, place the
thermistor in a glass of ice water (approximately
33°F) for several minutes and check for
approximately 16K Ω.

Evaporator Thermistor

(Continued next page)

– 34 –

Fresh Food Evaporator Thermistor
The fresh food evaporator thermistor (part #
WR55X10025) is located in an aluminum thermal
block on the back of the evaporator. It is attached
to the fresh food evaporator by a wire tie. (See Fresh
Food Evaporator for accessing instructions.)

Insert the new thermistor into the thermal block.
Add RTV102 silicone to hold the thermistor in place.
Make certain to wire tie the thermal block back to
the evaporator.

If the fresh food evaporator thermistor is either open
or shorted, the main control board defaults to a
fixed defrost cycle of 1 hour at high-speed fan.

Thermal Block

Defrost Cycles
Fresh Food Evaporator Defrost Cycle
The refrigerator utilizes a forced air cycle defrost
method (no electric heater) to remove frost from the
fresh food evaporator. Fresh food air that is above
freezing temperature circulates thru the coil and
melts any accumulated frost. Note that during fresh
food defrost, the compressor may still be running,
cooling only the freezer section.

Thermistor

Fresh Food Normal Defrost

Barbs on the molded housing hold the thermistor in
the thermal block.

The fresh food section cools until the fresh food
thermistor is satisfied.

s

rb

Ba

Replacement
Should a thermistor require replacement, use
plastic bell connectors (part # WR01X10466). Fill
the connector with RTV102 silicone, then splice a
new thermistor into the harness as shown in the
illustration.

Thermistor

If both freezer and fresh food thermistors are
satisfied, the compressor cycles off. If the freezer
still requires cooling, the main control board rotates
the 3-way valve to stop refrigerant flow to the fresh
food evaporator. Even though refrigerant flow has
stopped in the fresh food evaporator, the fresh food
fan continues to run at low speed.

RTV102

– 35 –

(Continued next page)

The system is designed to run the fan until the fresh
food evaporator thermistor reaches 35°F.
Once this temperature is reached, the fan continues
to run for an additional 5 minutes. Under normal
conditions, the defrost time takes approximately
30 minutes. The maximum time the fan runs in low
speed is 60 minutes. If the evaporator thermistor
has not reached 35°F after 60 minutes, the control
switches to extended defrost #1.
Fresh Food Extended Defrost #1
Occasionally there may be excessive frost on the
evaporator coil. This can be attributed to numerous
door openings, extremely high humidity, poor
door gasket seal, etc. If the normal defrost fan
time exceeds 60 minutes, the fan switches to high
speed. The control continues to monitor the fresh
food evaporator thermistor for 35°F. When 35°F is
reached, the fan runs for an additional 5 minutes at
high speed. The fan can run up to an additional 30
minutes at high speed, trying to reach 35°F. After 90
total minutes of fan time (60 at low speed and 30 at
high speed), if the fresh food evaporator is still below
35°F, the control will switch to extended defrost #2.
Fresh Food Extended Defrost #2
If the fresh food fan has been operating for 90
minutes, the main control searches for a fresh food
thermistor temperature above 52°F. If the fresh food
thermistor is above 52°F, the main control board
assumes there is a problem reading the fresh food
evaporator thermistor, ends the defrost cycle, and
returns to normal cooling.
If the fresh food thermistor is less than 52°F, the
main control board assumes there is refrigerant
leaking through the 3-way valve, keeping the fresh
food evaporator cold during the defrost process
while the freezer evaporator is cooling. The main
control board shuts off the compressor and runs
the fresh food fan at high speed until 2 conditions
are met: the evaporator thermistor reaches 35°F
and the fresh food thermistor is 2½°F above the
set point. As in the other cycles, the fan continues
to run for an additional 5 minutes after the 35°F
evaporator temperature is reached.

Fresh Food Forced Defrost
If the main control board senses the fresh food
section has been cooling for 45 minutes, it
immediately stops the refrigerant flow through
the fresh food evaporator. The main control board
changes the position of the 3-way valve if cooling is
still required in the freezer, or turns the compressor
off if the freezer is satisfied. The fresh food fan
operates on high speed until the evaporator
reaches 35°F, plus an additional 5 minutes after the
evaporator reaches 35°F.
To prevent the refrigerator from going into forced
defrost when first installed or after a power failure,
the control will disregard the 45 minute time limit if
the freezer temperature is above 20°F.
Note: If the fresh food evaporator thermistor is
either open or shorted and the 35°F cutoff cannot
be determined, the main control board defaults to a
fixed defrost cycle of 1 hour at high-speed fan.
Freezer Defrost Cycle
The freezer evaporator utilizes a defrost heater
to remove frost from the coil. The control board
determines the length of time the heater is
energized. It does this by monitoring the freezer
evaporator thermistor. Once the temperature of
the thermistor reaches 75°F, the control cycles the
defrost heater off. A bimetal safety thermostat
(L140-30) provides a backup in the event the
evaporator thermistor fails. The safety thermostat
prevents the temperature from exceeding 140°F.
Note:
•

During the freezer defrost cycle, the compressor
does not operate, even if the fresh food section
is above the set point.

•

When initiating a freezer defrost cycle, there is
a 6-second delay from the time the main board
shuts off the power to the compressor and when
the defrost heater is energized.

– 36 –

6. Lift and rotate the inverter counterclockwise.

Inverter
The inverter is accessed from the back of the
refrigerator and is located on the left side of the
compressor behind the water valve. The water valve
must be removed to access the inverter.

7. Disconnect the compressor harness from the
compressor terminals.

Lip

To remove the Inverter:
Disconnect

1. Disconnect power to the refrigerator and
remove the back access panel.

Tab

2. Remove the ¼-in. hex-head screw that holds the
water valve to the cabinet, then carefully pull
the water valve out from the cabinet.
3. Disconnect the 2 wire harnesses to the inverter.
4. Remove the ¼-in. hex-head screw and the
inverter ground wire from the cabinet.

Inverter Ground Wire

Disconnect
Disconnect

Water
Valve

Note:
•

•

The inverter is attached to the compressor
by a lip above the compressor terminals, a
tab (located at the bottom rear corner), and a
Phillips-head screw.
Inverter shown with drain tube and selected
wiring removed for clearer view.

5. Remove the Phillips-head screw from the
inverter.

WARNING: When the refrigerator is plugged in, 120
VAC is always present at the inverter.
Note: Certain voltmeters will not be able to read
voltage output from the inverter. If no voltage or
erratic voltage is measured, it does not necessarily
indicate a faulty inverter.
The inverter receives 120-VAC line-in from the
power supply (black and orange wires). The inverter
converts this single-phase, 60 Hz, 120 VAC into 3phase, 230 VAC, with frequency variations between
57 Hz and 104 Hz. This voltage is delivered to the
compressor through 3 lead wires. Each wire will
carry identical voltage and frequency.
Note: The compressor leads must be connected to
measure voltage output. If the compressor wires are
not connected, or if an open occurs in one of the 3
lead wires or in the compressor, the inverter will stop
voltage output.
When checking inverter voltage output, connect
the test-meter leads to any 2 of the 3 compressor
lead wires at the inverter plug (plug should be
connected). The same reading should be measured
between any 2 of the 3 wires.

– 37 –

(Continued next page)

Low speed (1710 rpm) - 57 Hz

•

Medium speed (2100 rpm) - 70 Hz

•

High speed (3120 rpm) - 104 Hz

The inverter receives commands from the main
control board (red and white wires). The main control
board will send a pulse width modulation run
signal from the J15 connector of between 4-6 VDC
effective voltage to the inverter (all wires must be
connected). The inverter will select compressor speed
(voltage output) based on this signal.
The main control board will only send a run signal to
the inverter when the compressor should be on.
Note: When measuring signal voltage (from the
main control board) at the inverter, a reading of 4-6
VDC will be measured with all wires connected. If the
inverter wiring is disconnected, the board output will
measure between 10-12 VDC.
The inverter will monitor compressor operation
and if the compressor fails to start or excessive
current draw (4 amps maximum) is detected,
the inverter will briefly stop voltage output. The
inverter will then make 12 consecutive compressor
start attempts (once every 12 seconds). After 12
attempts, if the compressor has not started, an 8minute count will initiate. After the 8-minute count,
the inverter will attempt to start the compressor
again. If the compressor starts, normal operation
will resume. If the compressor fails to start, this
process will be repeated. Removing power to the
unit will reset the inverter count. When power
is restored, the inverter will attempt to start the
compressor within 8 seconds.
The inverter has a built-in circuit protection to
guard against damage from a failed or shorted
compressor. However, if a failed compressor is
diagnosed, order a new compressor and inverter.
If the compressor fails to start after replacement,
replace the inverter.

Caution: Do not attempt to direct-start the
compressor. The compressor operates on a 3-phase
power supply. Applying 120 VAC to the compressor
will permanently damage the unit. It is not
possible to start the compressor without an inverter.
The compressor is a reciprocating, variable speed,
4-pole type. It operates on 3-phase, 80 to 230 VAC
within a range of 57 to 104 Hz.
Note: Certain voltmeters will not be able to read
voltage output or frequency from the inverter.
Compressor wattages at various speeds are:
•

LOW - 65 watts

•

MED - 100 watts

•

HIGH - 150 watts

The compressor is controlled by the inverter, which
receives its signal from the main control board.
Varying the frequency to the inverter changes the
compressor speed.

AC

J15-1 J15-2
Main Control
Board

BROWN

ORANGE

BLACK

ORANGE
BLACK
BLUE

WHITE

10
10

WHITE
RED

•

Inverter Compressor

TAB 1

The inverter controls compressor speed by
frequency variation and by pulse width modulation.
Changing frequency and pulse width modulation
will cause an effective voltage between 80 and 230
VAC to be received at the compressor.

RED

10

BROWN

INVERTER

COMPRESSOR

Compressor speed is based on the temperature
set point in conjunction with the specific cabinet
temperature. Speeds are selected according to
the following cabinet temperatures, with freezer
temperature being the primary:
•

7°F to 19.5°F above freezer set point = high
speed.

•

4.5°F to 6.5°F above freezer set point = medium
speed.

•

1°F to 4°F above freezer set point = low speed.

•

1°F to 2.5°F above refrigerator set point = low
speed.

(Continued next page)

– 38 –

•

3°F to 5°F above refrigerator set point - medium
speed.

•

5.5°F to 7°F above refrigerator set point - high
speed.

Single-Speed Compressor
The compressor is a reciprocating type. Refer to
the mini-manual for the BTU/hour rating and the
compressor capacity test specification.

Note: The compressor will run at medium speed if
the freezer temperature is 20°F or more above the
setpoint.

To verify that the compressor is running:

The use of 3-phase power eliminates the need for
the relay, capacitor, and individual start and run
windings; therefore, the start, run, and common
pins found on conventional compressors are not
applicable on this 3-phase model. Compressor pin
functions are identical and compressor lead wire
configuration is of no importance. A resistance of
9Ω to 11Ω should be read between any 2 of the
3 pins. Should an open occur in the compressor
winding or should one of the compressor lead wires
become open or disconnected, the inverter will stop
voltage output to the compressor.

WARNING: During normal operation, the
temperature of the single-speed compressor may
be hot. Use caution to avoid injury and wear Kevlar®
gloves or equivalent protection.

High compressor torque enables the compressor
to start against high pressure in the sealed system.
When power has been disconnected from an
operating unit, the high torque will enable the
compressor to start immediately upon power
restoration.

A ¼-in. O.D. copper process tube is provided for
access to the low-pressure side of the refrigeration
system.

Compressor operation is extremely smooth and
cool. The compressor exterior may be slightly higher
than room temperature while operating; therefore, it
may be difficult to detect a running unit.

Disconnect power from the unit. Wait 3 to 5 minutes
for pressure to equalize. Place a hand on the
chassis, near the compressor. Reconnect power and
feel for a vibration when the compressor tries to
start.
Note: The single-speed compressor will start right
away if pressure is equal.

Refer to the compressor replacement instructions
included with the replacement compressor.
Evacuate and recharge the system using currently
accepted procedures. (See Evacuation and Charging
Procedure.)

To verify that the compressor is running:
Disconnect power from the unit and place a hand
on the compressor. Reconnect power and feel for
a vibration when the compressor tries to start. It
may take up to 8 seconds before the compressor
attempts to start.
Note:
•

When ordering a replacement compressor,
order both the compressor and inverter. Replace
the compressor first. If, after compressor
installation, the compressor fails to start,
replace the inverter.

•

When servicing the compressor, it is important
to dress the wiring to keep low voltage DC wiring
and 120 VAC wiring separate.

– 39 –

3-Way Valve Coil

3-Way Valve
The 3-way valve is located beneath the main control
board in the machine compartment and is accessed
from the back of the refrigerator. It is composed of a
magnetic coil and a valve body. Two ¼-in. hex-head
screws mount the valve to the cabinet.
•

Make certain that rubber gaskets are installed
on mounting bracket to reduce vibration.

The 3-way valve coil receives 12-VDC pulses from
the main board to change the position of the valve.
The pulses come too quickly to measure with a volt
meter.
The 3-way valve coil has a resistance value of
approximately 46 ohms that can be measured
between the coil pins.

Rubber Gaskets

•

Three copper tubes connect to the 3-way valve.

•

One jumper tube connects from the drier to the
inlet on the valve.

•

A freezer capillary and a fresh food capillary
connect to the other two tubes on the valve.

Coil

Valve Body
Jumper Tube to Drier

Capillary Tube to Fresh
Food

Capillary Tube to
Freezer

(Continued next page)

– 40 –

3-Way Valve Body

Valve Rotation

•

The valve body contains a cam, rotor, and
magnet.

•

The pulses of the valve coil cause the magnet to
rotate inside the valve body.

•

The rotor and cam are grooved to rotate with
the magnet.

•

As the magnet rotates, it moves the cam at the
bottom of the valve.

•

The entire valve body has refrigerant flowing
through it when the compressor is operating.

•

Use care not to damage the top of the valve
body when installing the coil on the valve.

•

A locating pin is used to correctly align the valve
body in the valve coil.

•

Failure to fully seat the valve in the coil or to
align it correctly with the pin can cause the
system to stop cooling.

Magnet

Stop Point
(Home Position)

Rotor
Valve Body

Cam

Magnet

The cam opens or covers the ports to the capillary
tubes.

Capillary Tube
Ports

Note: The 3-way valve comes only as a complete
assembly. Exploded view is for reference only.

– 41 –

(Continued next page)

Testing the 3-Way Valve

Replacing the 3-Way Valve

The valve returns to “home” at the end of every
freezer defrost cycle and whenever the refrigerator
is reconnected to power.
To test the valve, disconnect the refrigerator from
power for at least 10 seconds, place a finger on top
of the valve, and reconnect power.
The main control overdrives the valve to the “home”
position.
You should be able to feel the valve vibrate as the
coil moves the magnet to the home position .

Parts Needed:
•

3-Way Valve (part # WR57X10053)

•

Thermal Paste (part # WX5X8927)

•

Drier Assembly (part # WR86X93)

•

Process Valve (part # WJ56X61)

When replacing a 3-way valve, note the black mark
on the freezer outlet tube. Make certain to mark the
freezer capillary by placing a piece of tape on the
capillary, 6-8 inches from the valve. This will aid in
installing the capillaries in the correct outlet tubes.

If movement is present, the main board and valve
coil are operating correctly.

Black Mark

INLET

FRESH FOOD
OUTLET
FREEZER
OUTLET

(Continued next page)

– 42 –

1. Unplug the refrigerator.
2. Remove the rear access cover and evacuate
the sealed system. (See Evacuation and Charging
Procedure.)
3. Remove the valve body from the valve coil by
carefully pressing down on top of the valve
body.

5. Connect the new jumper tube to the inlet tube of
the new 3-way valve.
6. Prepare the taped capillary tube, and insert
it into the 3-way valve freezer outlet port
(identified with black mark or tape).
7. Prepare the remaining capillary tube and insert
it into the 3-way valve fresh food outlet port.

Press
Here

Black
Mark

Inlet

Fresh Food
Outlet

Freezer
Outlet

8. Apply a liberal amount of thermal paste to the
base of the three tubes on the new valve. Apply
a wet cloth to the top of the valve to help keep
the valve cool.

4. Tape the freezer capillary tube 6 inches below
the brazing joint. Score and break the two
capillary tubes below the brazing joints.

Valve Body
Apply a Wet Cloth
to Top of Valve to
Help Keep Valve Cool

Common
Tube

Black
Mark
Thermal
Paste

Brazing
Joints
Jumper Tube

Two Capillary
Tubes

FF Capillary
Tube

Tape Here

Break
Here

Break
Here
FZ Capillary
Tube

– 43 –

(Continued next page)

9. Angle the torch so the flame is not directed
towards the valve body when brazing the three
joints.
10. Remove the thermal paste residue and dry the
valve body thoroughly. Install the valve body
into the coil.
Note: If necessary, use an adjustable pliers to
carefully install the valve body into the coil. DO NOT
depress on the top of the valve body. See photo.

CustomCool™ Assembly
Note: Refer to Service Guide #31-9075 for complete
instruction on servicing CustomCool™ components.
The following components must be removed in
the appropriate order to access the CustomCool
assembly.
1. Remove the 2 bottom freezer baskets.
2. Remove the recessed Phillips-head screw that
attaches the CustomCool inlet. Pull the inlet out
of the freezer wall.

CustomCool™
Inlet
Recessed Screw

11. Remove the old drier by unbrazing or cutting
the condenser loop (halo) as close as possible to
the drier. Install the new drier assembly (part #
WR86X93).
Note: If necessary, use the condenser loop
extension tubing (part # WR97X238).

3. Access the fresh food evaporator. (See Fresh
Food Evaporator, follow steps 1 through 6.)
4. Carefully lift and pull the fresh food evaporator
forward.
5. Slide the drain trough to the right and remove it
from under the evaporator.

Jumper Tube

12. Install the process valve (part # WJ56X61). Clean
and inspect all joints.
13. Evacuate and charge the system. Use original
factory charge quantity of R-134a. (See
Evacuation and Charging Procedure.)

Drain Trough

Note: When installing the drain trough, insure
trough outlet is inserted into the drain funnel.

14. Reinstall the rear access cover.
(Continued next page)

– 44 –

6. Remove the support from under the evaporator
tubing.
7. Remove the 3 Phillips-head screws that hold
the CustomCool™ unit to the bottom of the
refrigerator compartment.

9. Place the unit vertically on its right side.
10. Peel back the foam seal from the left side and
the tape from the rear of the unit.

Tape

Support
Foam Seal

11. Release the 3 tabs and remove the cover.

8. Move the unit to the right, then carefully pull the
left side towards the front of the refrigerator.

CustomCool™ Components

Damper Assembly

Light Bulb
(under shield)
Fan

Heater
Thermistor

– 45 –

The dispenser shield can be removed to access
the cradle switch, duct door, duct door solenoid,
and dispenser LED lights. The dispenser shield is
attached to the dispenser recess with 4 Phillipshead screws.

Dispenser Assembly
The dispenser assembly consists of the interface,
display board, dispenser shield, and duct door
functioning parts. The dispenser interface can
be removed to access the display board and the
dispenser shield mounting screws. The interface is
held in place by 4 tabs that hold it to the dispenser
recess. To remove the interface, it is necessary to
grasp the bottom lip of the interface on either side
and gently pull it towards you. There are 3 wire
harnesses connected to the display board.

Note: The dispenser LED lights cannot be replaced
individually. The dispenser shield and LED lights are
replaced as an assembly. Check model number for
correct assembly.
Dispenser Shield

TAB

TAB

Bottom View of Dispenser Shield
LIP

LIP

LED

LED

LED

LED

HARNESSES

Dispenser Shield Removed

TAB

TAB

Note: The interface and display board are replaced
as a complete assembly.
When assembling, insert top tabs into the top of
dispenser recess first, then snap the bottom into
place.

– 46 –

Precise Fill
The Precise Fill mode allows the user to select a specific volume to be dispensed in either cups, ounces, pints,
or liters.
Overview
The Precise Fill design places a flowmeter between the water valve and the dispenser to measure water flow
through the system. The flowmeter sends a signal to the main control board. The main control interprets
the signal, turning the water valve off at the appropriate time. The quantity dispensed is displayed on the
dispenser board.
When the dispenser is activated, the flow of water through the meter rotates a paddle. The paddle contains
a magnet which passes by a sensor within the flowmeter. The sensor counts the number of revolutions and
sends that information to the main control board. For example, 1 Cup = Nr (number of revolutions). The main
control board cycles the water valve relay based on the information.

WATER
SOURCE

WATER
FILTER

*Outlet
*Inlet

DISPENSER
SPOUT

USER

WATER
VALVE

DISPENSER
BOARD

FLOWMETER
PADDLE

WATER
TANK COIL

DOOR
CONNECTION

MAIN
BOARD
CUSTOMER INTERFACE
SIGNAL
WATER

* Note directional flow arrows on flowmeter, and
mark tubing and couplers before disassembly.

– 47 –

(Continued next page)

Flowmeter

3. Remove the ¼-in. hex-head screw from the
flowmeter bracket.

The flowmeter is located in the machine
compartment behind the water valve. The water
valve must be removed to access the flowmeter.

Inlet Tube

4. Lift and rotate the flowmeter bracket
counterclockwise to disengage the 2 tabs at the
top of the bracket.

Outlet Tube

5. Carefully pull out the bracket and flowmeter.
To remove the flowmeter:

6. Disconnect the water lines from the flowmeter.

Caution: It may be necessary to bend the process
tube in order to remove the water valve. If it is
necessary to bend the process tube, use extreme
caution.

7. Disconnect the wire harness from the flowmeter.
8. Remove three ¼-in. hex-head screws from the
mounting bracket.

1. Remove the ¼-in. hex-head screw that holds the
water valve to the cabinet.

Wire Harness

2. Lift and move the valve to the right to disengage
the tab at the top of the valve.

Process Tube

Inlet Tube

Outlet Tube

Water Lines

Note: The flowmeter is attached to a mounting
bracket that is held to the cabinet with a ¼-in. hexhead screw and 2 tabs.

Note:
•

When replacing or repairing the water line
tubing, ensure the end of the tubing is cut
square and fully inserted into the water valve
and flowmeter.

•

Do not discard mounting bracket. The mounting
bracket is not available as a replacement part.

– 48 –

Troubleshooting
Control Diagnostics Using LCD Screen

The LCD screen has a self-diagnosis mode that can be accessed and will assist the technician to test certain
functions of the LCD screen, dispenser, and interior fans. This mode can aid the service technician in quickly
identifying failed or improper operation of certain components and systems.
Control diagnostics using the LCD screen do not use error codes to identify problems. Instead, the LCD screen
displays a list of components or systems to be checked if a problem is detected.
To enter the self-diagnosis mode, press and hold in the HOME, CRUSHED, and WATER pads. The SELF
DIAGNOSIS screen will appear. Press SOFTWARE VERSION, FACTORY TEST, or HMI TEST. Select EXIT to exit
the self diagnosis mode.

Self Diagnosis
SOFTWARE VERSION
FACTORY TEST

Description
Verifies using latest main and HMi board software.
Test EEprom status.
All Fans - turns on ALL interior fans (fresh food, freezer,
beverage center, and QuickFreeze™ fans).
Calibrate - calibrates the touch screen assembly of
LCD screen
Scan Screen - Starts LCD screen quality scan. Operates
the water, crushed, cube, and lock LEDs. Opens and
closes dispenser duct door and turns dispenser light
LEDs on and off.

HMI TEST
EXIT

Back - Returns to Self Diagnosis screen.
Operates all pad LEDs, light LEDs, and screen LCD.
Opens dispenser duct door. Press any pad or the glass
cradle to check switch contact.
Returns refrigerator back to normal mode.

– 49 –

(Continued next page)

Diagnostics Aid Kit
The diagnostic aid kit may assist the technician to functionally test individual components.
A diagnostic aid kit can be assembled and consists of a key pad temperature control assembly and wire
harness. The parts required are WR55X10390 and WX05X14999.
Using the kit, diagnostics can be performed by removing the base grill and plugging into the diagnostic aid
wire harness located on the left side. Diagnostics can also be performed by accessing the main board on the
back of the refrigerator and plugging into the harness extended from the board.
Note: After plugging in the diagnostic aid kit, if the display is blank, press and release any of the temperature
pads. The display will show actual temperatures.
Diagnostic Aid - Front Access

Diagnostic Aid - Main Board Access

Enter the diagnostic mode by pressing both the freezer temperature (COLDER and WARMER) pads and
the refrigerator temperature (COLDER and WARMER) pads simultaneously. All four pads must be held
for approximately 3 seconds. Blinking "0"s in both displays indicate the refrigerator has entered the test
mode. Remove fingers within 5 seconds and press any middle pad to lock-in the test mode. The blinking
"0"s will change over to solid (non-blinking) "0"s when the test mode is locked in. You can now test specific
components using the chart.

Enter the appropriate display numbers as
shown in the table and press any pad other
than the temperature pads to activate that
test mode.
(Continued next page)

– 50 –

Freezer
Display

Fresh
Food
Display

0

7

Diagnostics

Results

Control and Sensor System Test

Checks each
thermistor in order.

1

0

Dampers Test

Custom Cool™
damper will open,
close after 10
seconds, pause
briefly, then single
damper will open for
10 seconds.

1

1

Fan Test

Cycles through each
fan for 5 seconds.

1

2

100% Run Time

Sealed system on
100% of the time.
Times out after 1
hour.

1

3

Prechill Test

Starts prechill mode.
Unit returns to
normal on its own.

1

4

Defrost Test

Toggles on the
defrost cycle. See
Note 2.

1

5

Main Control Reset/Test Exit

Causes a system
reset and exits test
mode.

Comments
See Note 1.

Test will not start for
approximately 20
seconds after pad
is depressed.

Must press again to
turn heater off. See
Note 2.

Note 1: Display order is #1 = Fresh Food Evaporator Thermistor, #2 = Fresh Food Thermistor,
#3 = CustomCool™ Thermistor, #4 = Freezer Evaporator Thermistor, #5 = Freezer Thermistor.
Thermistor test results are: P = Pass, 0 = Fail, S = Short to 5 VDC, B = Defective board (replace main control).
Note 2: You must enter the defrost test again to toggle the defrost heater off at the end of the test. The
heater will not come on if the evaporator thermistor is above 70°F (21°C).

– 51 –

Control Board Connector Locator
Main Control Board
J13
J10
J4
J15

J8

J14

J9

J3
J11

J2

K4
J7
K5

J12

J1

J5

K1

K2

K3

J10 and J13 - Earth (Ground)

J4 - LCD Board

J8 - Line (L1) to AC Compressor*

J3 - QuickFreeze™ Fan, Beverage Center Fan, 3-way
Valve

J9 - Defrost Heater
J11 - Line (L1)
J7 - Neutral, Door Switches, CustomCool™ Heater,
Water Valve, Cube Solenoid, Auger Motor

J1 - Fresh Food Thermistor, Freezer Thermistor, Fresh
Food Evaporator Thermistor, Freezer
Evaporator Thermistor, Model Selector
J14 - Flow Meter

J12 - Duct Heater

J15 - Inverter**

K1 - Auger

J2 - Fan Common, Evaporator Fan, Condenser Fan,
Fresh Food Fan, CustomCool™ Fan, Model Selector

K2 - Crusher
K3 - Water

J5 - CustomCool™ Damper(s), CustomCool™ Thermistor

K4 - Defrost

J3 or J10

J2 OR J13

J1 or J14

* Single-speed compressors only
** 3-speed compressors only

Some of the low-voltage DC
connector labeling on this model
may differ from other models.
The function and diagnostics for
these connectors are identical for
all models.

J4 or J16

K5 - CustomCool™

(Continued next page)

– 52 –

– 53 –

FZ Door Switch
FF Door Switch
Custom Cool Heater
Auger Motor Interlock
Water Valve
Crusher Solenoid
Auger Motor

Neutral

J10

1

J11

K1

Not Used
J12

K2
CRUSHER

K5

DEFROST

K4

K7
NOT
USED

CUSTOM COOL

K3
WATER

Duct Heater

Line (L1)

Line (L1) to AC Compressor
J8 (Not Used for Inverter Compressor,
Wire Ends in Cabinet)
J9
Defrost Heater

J18

AUGER

J7

EARTH

2

J6
1

J19

+5V
Custom Cool Thermistor

Custom Cool Dual Damper +
Custom Cool Dual Damper Custom Cool Single Damper +
Custom Cool Single Damper -

Evaporator Fan (RPM)
Model Selector
Fan Common
Evaporator Fan
Condenser Fan
Fresh Food Fan
Custom Cool Fan
Fan +12V

6

1

8

1

J5

J2

J15
Inverter Common
Inverter Output 1
(Not Used for
AC Compressor)

J13

9

1

10

1

5

1

J1

J3

J4

EARTH

FF Evaporator Thermistor
FF Thermistor
FZ Thermistor
FZ Evaporator Thermistor
+5V
Model Selector
Model Selector
Model Selector
Model Selector

3-Way Valve - Gray & White
3-Way Valve - Black
3-Way Valve - Yellow
3-Way Valve - Red
3-Way Valve - Orange

Quick Freeze Fan

Beverage Center Fan

Comm. 2-Way Digital
Comm. +12V
Comm. Common

MAIN CONTROL BOARD TROUBLESHOOTING
The main control board is located at the back of the refrigerator, above the machine compartment on the
right-hand side. (See Control Board Connector Locator.)

CONTROL BOARD PIN DEFINITIONS
CONNECTOR
J1

J1

J1

J1

J1
J1
J1
J1
J1

PIN INPUT OUTPUT
FUNCTION
1
VDC
Feedback of fresh food evaporator thermistor value. Thermistor
value is NTC (when temperature drops, resistance value increases),
causing return voltage reduction. This value is used to cycle fresh
food evaporator fan, compressor, and condenser fan. Feedback is
filtered to respond to 8 degrees of change per minute.
2
VDC
Feedback of fresh food thermistor value. Thermistor value is NTC
(when temperature drops, resistance value increases), causing
return voltage reduction. This value is used to cycle fresh food
evaporator fan, compressor, and condenser fan. Feedback is
filtered to respond to 8 degrees of change per minute.
3
VDC
Feedback of freezer thermistor value. Thermistor value is NTC
(when temperature drops, resistance value increases), causing
return voltage reduction. This value is used to cycle freezer
evaporator fan, compressor, and condenser fan, and will not cycle
fresh food fan. Feedback is filtered to respond to 8 degrees of
change per minute.
4
VDC
Feedback of freezer evaporator thermistor value. Thermistor value
is NTC (when temperature drops, resistance value increases),
causing return voltage reduction. This thermistor value is used
to cycle the defrost heater on during defrost when temperature
is below defrost value and off when the temperature is above
defrost value. This value is also read during power-up to determine
if refrigerator goes into pulldown mode or cycle continuation.
Feedback is unfiltered and responds immediately.
5
VDC
Provides 5 VDC for thermistors.
6
VDC
Model Selector.
7
VDC
Model Selector.
8
VDC
Model Selector.
9
VDC
Model Selector.

(Continued next page)

– 54 –

CONTROL BOARD PIN DEFINITIONS
CONNECTOR
J2
J2
J2
J2
J2
J2

J2
J2

PIN INPUT OUTPUT
FUNCTION
Feedback from evaporator fan. Evaporator fan feedback is not
1
HZ
read for this application.
Model pin selection.
2
VDC
3
VDC
Evaporator fan and condenser fan common.
4
VDC
Output to evaporator fan for motor operation. Effective voltage is
determined by pulse width modulation.
5
VDC
Output to condenser fan for motor operation. Effective voltage is
determined by pulse width modulation.
6
VDC
Common to fresh food fan for motor operation. Switched for
pulse width modulation fan speed control. Effective voltage is
determined by pulse width modulation.
7
VDC
Switched common to CustomCool™ fan.
8
VDC
Provides 12-VDC supply voltage to all fans, constant voltage.

CONTROL BOARD PIN DEFINITIONS
CONNECTOR
J3

PIN
1

J3

3

J3
J3
J3
J3
J3

6
7
8
9
10

INPUT OUTPUT
FUNCTION
VDC
Output to beverage center fan for motor operation. Effective
voltage is determined by pulse width modulation.
VDC
Output to QuickFreeze™ fan for motor operation. Effective voltage
is determined by pulse width modulation.
VDC
3-Way valve.
VDC
3-Way valve.
VDC
3-Way valve.
VDC
3-Way valve.
VDC
3-Way valve.

CONTROL BOARD PIN DEFINITIONS
CONNECTOR
J4

PIN
1

J4
J4

2
3

INPUT
DIGITAL
Communication

OUTPUT
DIGITAL
Communication
VDC
VDC

– 55 –

FUNCTION
2-way communication between main control
board and LCD board.
12-VDC supply.
DC common.

(Continued next page)

CONTROL BOARD PIN DEFINITIONSS
CONNECTOR PIN
J5
1
J5
2
J5
3
J5
4
J5
5
J5
6

INPUT OUTPUT
FUNCTION
VDC
VDC
ExpressChill (CustomCool™) damper.
VDC
VDC
ExpressChill (CustomCool™) damper.
VDC
VDC
ExpressChill (CustomCool™) damper.
VDC
VDC
ExpressChill (CustomCool™) damper.
VDC
Provides 5 VDC for ExpressChill (CustomCool™) thermistor.
VDC
Feedback of ExpressChill™ (CustomCool™) thermistor. Thermistor is
NTC (when temperature drops, resistance value increases), causing
return voltage reduction.

CONTROL BOARD PIN DEFINITIONS
CONNECTOR PIN INPUT OUTPUT
FUNCTION
J7
1
VAC
Switched L1 voltage to the auger motor - 120 VAC.
J7
2
VAC
Switched L1 voltage to the cube solenoid - 120 VAC.
J7
3
VAC
Switched L1 voltage to the water valve - 120 VAC.
J7
4
VAC
Receives L1 input from freezer door switch when freezer door is
closed.
J7
5
VAC
Switched L1 voltage to the ExpressThaw (CustomCool™) heater
- 120 VAC.
J7
6
VAC
Receives L1 input from fresh food door switch when door is open.
This input is used for evaporator fan control, liner protection
mode calculations, door alarm calculations, and adaptive defrost
calculations.
J7
7
VAC
Receives L1 input from freezer door switch when door is open.
This input is used for evaporator fan control, liner protection mode
calculations, door alarm calculations, adaptive defrost calculations
and some door interlock functions. Switch must be closed in door
closed position (switch depressed) for dispenser LED light and duct
door magnet to energize.
J7
9
VAC
AC neutral in.

CONTROL BOARD PIN DEFINITIONS
CONNECTOR PIN
J8
1

INPUT OUTPUT
FUNCTION
VAC
Switched L1 voltage to the compressor - 120 VAC. (Only used on
single-speed compressor models.)

(Continued next page)

– 56 –

CONTROL BOARD PIN DEFINITIONS
CONNECTOR
J9

PIN
1

INPUT OUTPUT
FUNCTION
VAC
Switched L1 voltage to the defrost circuit - 120 VAC. A timer (main
control software), counts how long this circuit is energized and
uses this information to determine if the next defrost cycle is
adaptive or nonadaptive.

CONTROL BOARD PIN DEFINITIONS
CONNECTOR PIN
J11
1

INPUT OUTPUT
FUNCTION
VAC
Constant L1 voltage to control board circuits - 120 VAC input
potential for switched L1 terminals.

CONTROL BOARD PIN DEFINITIONS
CONNECTOR
J12

PIN
1

INPUT OUTPUT
FUNCTION
VAC
Switched L1 voltage to the duct heater - 120 VAC.

CONTROL BOARD PIN DEFINITIONS
CONNECTOR
J15
J15

PIN
1
2

INPUT OUTPUT
FUNCTION
VDC
Output voltage to the compressor inverter - 4 to 6 VDC from J15
pin 1 to J15 pin 2. (Only used on inverter compressor models.)
VDC

– 57 –

(Continued next page)

Main Control Board
J2 Connector (Low-Voltage DC Side)

Blue/White
White/Silver

Component
Termination
Evaporator fan
tachometer
Model
Fan Common

Input
Common

4

Yellow/Black

Evaporator fan

Output

5

Yellow

Condenser fan

Output

6

Black/White

Fresh food fan

Common

7

Tan

Common

8

Red

CustomCool™ fan
Fan supply voltage
(12 VDC)

Pin

Wire Color

1

Blue

2
3

Input/
Output

Pin-to-Pin Voltage Reading

Input

Not applicable to this model.
J2 pin 2 to pin 3 = 12 VDC
J2 pin 3 to pin 8 = 12 VDC
J2 pin 4 to pin 3 = 9.5 VDC (high),
8 VDC (med), 6.5 (low)
J2 pin 5 to pin 3 = 10.5 VDC (high),
7.5 VDC (med), 5.5 VDC (low)
J2 pin 6 to pin 8 = 12 VDC (high),
10 VDC (med), 9 VDC (low)
J2 pin 7 to pin 8 = 12 VDC

Output

J2 pin 8 to pin 3 = 12 VDC

Main Control Board
J3 Connector (Low-Voltage DC Side)
Pin

Wire Color

1

Red/Yellow

3
6
7
8
9

Black
White/Gray
Black
Yellow
Red

Component
Termination
Beverage center
fan
QuickFreeze™ fan
3-way valve
3-way valve
3-way valve
3-way valve

10

Orange

3-way valve

Input/
Output
Input

Pin-to-Pin Voltage Reading
J3 pin 1 to J2 pin 8 = 12 VDC

Input
J3 pin 3 to J2 pin 8 = 12 VDC
The 3-way valve coil receives 12-VDC pulses from the main
board to change the position of the valve. The pulses come
too quickly to measure with a volt meter.
For test procedure see 3-Way Valve.

J4

Comm. 2-Way Digital
Comm. +12V
Comm. Common

1

J15
Inverter Common
Inverter Output 1
(Not Used for
AC Compressor)

5

J3

Beverage Center Fan

1

Quick Freeze Fan

Low Voltage DC

120 VAC

J2

Evaporator Fan (RPM)
Model Selector
Fan Common
Evaporator Fan
Condenser Fan
Fresh Food Fan
Custom Cool Fan
Fan +12V

1

10

8

J1
J5

Custom Cool Dual Damper +
Custom Cool Dual Damper Custom Cool Single Damper +
Custom Cool Single Damper +5V
Custom Cool Thermistor

3-Way Valve - Gray & White
3-Way Valve - Black
3-Way Valve - Yellow
3-Way Valve - Red
3-Way Valve - Orange

1

1

6
9

FF Evaporator Thermistor
FF Thermistor
FZ Thermistor
FZ Evaporator Thermistor
+5V
Model Selector
Model Selector
Model Selector
Model Selector

Main Control Board
J1 Connector (Low-Voltage DC Side)
Pin

Wire Color

1
2
3
4
5

Red/Blue
Yellow
Red/White
Blue/White
Blue

Component
Termination
Fresh food evaporator thermistor
Fresh food thermistor
Freezer thermistor
Freezer evaporator thermistor
Thermistor supply voltage (5 VDC)

Input/
Output
Input
Input
Input
Input
Output

Pin-to-Pin Voltage Reading
N/A
N/A
N/A
N/A
J1 pin 5 to J2 pin 3 = 5 VDC

(Continued next page)

– 58 –

Main Control Board
J4 Connector (Low-Voltage DC Side)
Pin

Wire Color

1
2
3

Black
Red
Blue

Component
Termination
Temperature control
Temperature control
Temperature control

Input/
Output
Communication
Output
Common

Pin-to-Pin Voltage Reading
2-way digital communication
J4 pin 2 to pin 3 = 12 VDC
J4 pin 2 to pin 3 = 12 VDC

J4

Comm. 2-Way Digital
Comm. +12V
Comm. Common

1

J15
Inverter Common
Inverter Output 1
(Not Used for
AC Compressor)

5

J3

Beverage Center Fan

1

Quick Freeze Fan

Low Voltage DC

120 VAC

J2

Evaporator Fan (RPM)
Model Selector
Fan Common
Evaporator Fan
Condenser Fan
Fresh Food Fan
Custom Cool Fan
Fan +12V

1

10

8

J1
1

J5

Custom Cool Dual Damper +
Custom Cool Dual Damper Custom Cool Single Damper +
Custom Cool Single Damper +5V
Custom Cool Thermistor

3-Way Valve - Gray & White
3-Way Valve - Black
3-Way Valve - Yellow
3-Way Valve - Red
3-Way Valve - Orange

1

6
9

FF Evaporator Thermistor
FF Thermistor
FZ Thermistor
FZ Evaporator Thermistor
+5V
Model Selector
Model Selector
Model Selector
Model Selector

Main Control Board
J5 Connector (Low-Voltage DC Side)
Component
Termination
ExpressChill™ (CustomCool™)
damper
ExpressChill™ (CustomCool™)
damper

Input/
Output
Input/
Output
Input/
Output

Brown

ExpressChill™ (CustomCool™)
damper

Input/
Output

4

Yellow/Black

ExpressChill™ (CustomCool™)
damper

Input/
Output

5
6

White
White

Thermistor supply voltage (5 VDC)
CustomCool™ thermistor

Output
Input

Pin

Wire Color

1

Pink

2

Yellow

3

Pin-to-Pin Voltage Reading
J5 pin 1 to pin 2 = 12 VDC
(reversing polarity)
J5 pin 2 to pin 1 = 12 VDC
(reversing polarity)
J5 pin 3 to pin 4 = 12 VDC
(reversing polarity), if equipped
with dual damper
J5 pin 4 to pin 3 = 12 VDC
(reversing polarity), if equipped
with dual dampers
J5 pin 5 to J2 pin 3 = 5 VDC
N/A

Main Control Board
J15 Connector (Low-Voltage DC Side)
Pin

Wire Color

1
2

Red
White

Component
Termination
Compressor inverter
Compressor inverter

Input/
Output
Output
Output

– 59 –

Pin-to-Pin Voltage Reading
J 15 pin 1 to J15 pin 2 = 4 to 6 VDC
J 15 pin 2 to J15 pin 1 = 4 to 6 VDC
(Continued next page)

Main Control Board
J8 Connector (High-Voltage Side)
Pin

Wire Color

J8

Black

Component
Termination
Compressor

Input/
Output
Output

Pin-to-Pin Voltage Reading
J8 to J7 pin 9 = 120 VAC

J10
EARTH

Line (L1) to AC Compressor
J8 (Not Used for Inverter Compressor,
Wire Ends in Cabinet)
J9
Defrost Heater

120 VAC

Line (L1)

J7
Neutral
FZ Door Switch
FF Door Switch
Custom Cool Heater
Auger Motor Interlock
Water Valve
Crusher Solenoid
Auger Motor

J18

Low Voltage DC

J11

K4

K5

Not Used

J12

Duct Heater
1

K3

K2

Main Control Board
J9 Connector (High-Voltage Side)
Pin

Wire Color

J9

Blue

Component
Termination
Defrost heater

Input/
Output
Output

Pin-to-Pin Voltage Reading
J9 to J7 pin 9 = 120 VAC

Main Control Board
J7 Connector (High-Voltage Side)

Beige
Silver
Yellow

Component
Termination
Auger
Cube solenoid
Dispenser water valve

Input/
Output
Output
Output
Output

4

Red/White

Freezer door switch

Input

5

Blue/White

CustomCool™ heater

Output

6

Purple

Fresh food door light switch

Input

7

Red

Freezer door light switch

Input

9

Orange

Neutral

Neutral

Pin

Wire Color

1
2
3

Pin-to-Pin Voltage Reading
J 7 pin 1 to J7 pin 9 = 120 VAC
J 7 pin 2 to J7 pin 9 = 120 VAC
J 7 pin 3 to J7 pin 9 = 120 VAC
J 7 pin 4 to J7 pin 9 = 120 VAC
(Freezer door closed)
J 7 pin 5 to J7 pin 9 = 120 VAC
J 7 pin 6 to J7 pin 9 = 120 VAC
(Fresh food door open)
J 7 pin 7 to J7 pin 9 = 120 VAC
(Freezer door open)
Neutral

(Continued next page)

– 60 –

Main Control Board
J11 Connector (High-Voltage Side)
Pin

Wire Color

J11

Brown

Component
Termination
L1 Input

Input/
Output
Input

Pin-to-Pin Voltage Reading
J 11 to J7 pin 9 = 120 VAC

J10
EARTH

Line (L1) to AC Compressor
J8 (Not Used for Inverter Compressor,
Wire Ends in Cabinet)
J9
Defrost Heater

120 VAC

Line (L1)

J7
Neutral
FZ Door Switch
FF Door Switch
Custom Cool Heater
Auger Motor Interlock
Water Valve
Crusher Solenoid
Auger Motor

J18

Low Voltage DC

J11

K4

K5

Not Used

J12

Duct Heater
1

K2

K3

Main Control Board
J12 Connector (High-Voltage Side)
Pin

Wire Color

J12

Gray

Component
Termination
Duct heater

Input/
Output
Input

– 61 –

Pin-to-Pin Voltage Reading
J 12 to J7 pin 9 = 120 VAC

– 62 –

Yes

Is there 6.5 -7 VDC
between red and white
wires on flowmeter when
1st activated

Yes

No

No

No

No

Is there
13.6 VDC
between red and black
wires on J4 at dispenser
board

Yes

Check:
1.) Wiring between dispenser and main control board
2.) Wire connector at bottom of freezer door
3.) Main control board

Yes

No

Does dispenser display
light up?

NO PRECISE FILL WATER

Check:
1.) Wiring between flowmeter and main control board
2.) Main control board

Replace flowmeter

Check:
1.) Wiring between flowmeter and J14 on main control board
2.) Main control board

Replace dispenser board

Is there 13.6 VDC
between red and black
wires on flowmeter

Yes

Does normal water
dispense work?

START

Troubleshooting

Yes

Note:
If no water is flowing through the flowmeter or no
communication is occurring between the flowmeter
and the main control board, the dispenser will display
“0” and beep after 2 seconds.

Check:
1.) Freezer door switch
2.) Dispenser switch
3.) Wiring connections at bottom of freezer door

No

Does ice dispense
activate auger motor?

Check:
1.) Water supply
2.) Water valve
3.) Frozen water tank
4.) Wiring between water valve and main control board
5.) Main control board

Precise Fill Troubleshooting

Icemaker Service Test Mode
The electronic icemaker has a service test mode that can be utilized by the service technician in order to test
basic operation of the icemaker. The service test mode consists of a harvest cycle followed immediately by a
water fill. The harvest cycle is entered, regardless of icemaker temperature or arm position.
To enter the service test mode:
1. Turn the power switch to the off position and wait 20 seconds. (The green power light will be unlit.)
2. Turn the power switch to the on position. (The green power light will be lit.)
3. Push the feeler arm from the out position to the in position and back again 3 times and only 3 times
within 20 seconds.

Power
Switch

Green
Power Light

Icemaker

Feeler Arm

Note: If the icemaker has already started a harvest cycle and the arm is moving, it may be impossible to
properly move the arm and enter the service mode without allowing it to reset and powering up again. If the
icemaker is allowed to go through it’s normal harvest cycle, it will take 10-15 minutes after it dumps the ice
for water to enter the icemaker.
While in the harvest mode, the heater will remain on for a minimum of 20 seconds. The water fill cycle will
initiate the first fill (5.1 seconds) without waiting for the mold to prechill. Only one water fill occurs during the
service mode. The icemaker will exit the service test on its own and enter the normal freeze cycle.

– 63 –

VALVE
197D5678G001

FLOW
METER

WHITE

BLUE

BLACK

RED

J4-3

BLACK

J4-2

J4-1

BLACK

WHITE + GRAY

YELLOW

RED

ORANGE

VALVE, 197D5678G001

RED

SMART
TROLLEY

YELLOW

WHITE

RED

DEP LED

BLACK
J3-10

J3-9

J3-8

J3-7

J3-6

J14-2

J14-4

SMART
TROLLEY

RED

DEP SWITCH

1

TO HTR

RED

EVAP. FAN

THERMISTOR CC

WHITE/BLACK

BLACK

BLACK/WHITE

BLUE (RPM)

BLUE/WHITE (MODEL)

WHITE/SILVER (COMM)

YELLOW/BLACK

YELLOW

BLACK/WHITE

SINGLE DAMPER

WHITE/RED

BLUE/RED

YELLOW

RED/WHITE

BLUE/WHITE

+5V BLUE

CLASS 2 CIRCUITS

LOW VOLTAGE DC

YELLOW

PINK

BROWN

YELLOW/BLACK

THERMISTOR FZ EVAP.

BLUE

QUICK FREEZE
FAN

DUAL DAMPER

TAN

+12V RED

RED/YELLOW

FZ COMPARTMENT
RED

CC FAN

WHEN APPLICABLE

RED

BLUE

BLUE

BC
FAN

RED
BLUE
(COMM)

RED

RED

BLACK
(COMM)

BLACK

WHEN APPLICABLE

SMART
TROLLEY

BLACK

4

FF FAN

BLACK

RED
THERMISTOR FF

THERMISTOR
FF EVAP.
WHITE/GREEN

COND. FAN

VALVE

J1-2

YELLOW

GRAY

WHITE/GREEN

J1-1

J2-4 J2-3 J2-2

RED

LCD BOARD
WHITE

YELLOW

RED

J4-3 J4-2 J4-1
J4-6
RED

BLACK
BLUE

DUCT SOLENOID

WHITE
WHITE/BLUE

YELLOW

DC

WHITE/RED

BLACK
WHITE/BLACK

YELLOW

J8
J9
J7-6 J12
J7-7

J4-3 J4-2 J4-1
J3-1
J2-4 J2-5 J2-6 J2-7 J2-8
J2-3
J3-3 J2-1 J2-2
J1-5
J5-5 J5-2 J5-1 J5-3 J5-4 J5-6 J1-1 J1-2 J1-3 J1-4

BROWN

PURPLE

ORANGE

S=6

R=5

R = 404

R = 3.34

AUGER

R = 91

CUBE

WHITE

ORANGE

ORANGE

DISP. WATER
VALVE
R = 160

ICEMAKER WATER VALVE
R = 160
ORANGE
WHITE

FREEZER LIGHT
ORANGE

CUSTOM COOL LIGHT
PURPLE
ORANGE

TO CUSTOM COOL
HEATER

BEIGE

FRESH FOOD
LIGHT (TOP)
ORANGE
PURPLE

YELLOW

RED

WHITE

SILVER

WHITE

ORANGE
CAPACITOR

ORANGE

OVERTEMPERATURE
THERMOSTAT
ORANGE

PINK

COMBO

ORANGE

ORANGE

FRESH FOOD
FF LIGHT
THERMOSTAT LIGHT (MID)
ORANGE
PINK
PURPLE

R = 21.15

DEFROST
HEATER

YELLOW

WHITE

BLUE/WHITE

LINE VOLTAGE

ORANGE

BEIGE

BEIGE

ICEMAKER

DIAGRAM
INSIDE
ICEMAKER
HOUSING

SILVER

BROWN

PURPLE

FREEZER DOOR
INTERLOCK

FF SWITCH

RED/WHITE

BROWN

RED

BROWN

BLUE

SILVER

BROWN

BLUE

BLACK

BROWN

AC

ORANGE
ORANGE

ORANGE

J7-4
J7-12 J7-3 J11
J7-2
J7-1
J7-9
J7-5

– 64 –

ORANGE

FREEZER DOOR

WHITE

R = 440

DUCT
HEATER

WHEN APPLICABLE
ORANGE

Schematic

Single-Speed Compressor Model
Note: This schematic may be different than the one in the Mini-Manual.

(Continued next page)

MAIN CONTROL BOARD

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%($

*!)

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$!)

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"'$"

$!%&
&$
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– 65 –

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Inverter Compressor Model
Note: This schematic may be different than the one in the Mini-Manual.

Warranty
All warranty service provided by our Factory Service Centers,
or an authorized Customer Care® technician. To schedule service,
on-line, 24 hours a day, visit us at ge.com, or call 800.GE.CARES
(800.432.2737). Please have serial number and model number
available when calling for service.

For The Period Of:

Staple your receipt here.
Proof of the original purchase
date is needed to obtain service
under the warranty.

GE Will Replace:

GE and GE PROFILE MODELS:
One Year
From the date of the
original purchase

Any part of the refrigerator which fails due to a defect in materials or workmanship.
During this limited one-year warranty, GE will also provide, free of charge, all labor and
related service to replace the defective part.

Thirty Days
(Water filter, if included)
From the original
purchase date of
the refrigerator

Any part of the water filter cartridge which fails due to a defect in materials or workmanship.
During this limited thirty-day warranty, GE will also provide, free of charge, a replacement water
filter cartridge.

GE PROFILE MODELS ONLY:
Five Years
(GE Profile models only)
From the date of the
original purchase

Any part of the sealed refrigerating system (the compressor, condenser, evaporator
and all connecting tubing) which fails due to a defect in materials or workmanship.
During this limited five-year sealed refrigerating system warranty, GE will also provide,
free of charge, all labor and related service to replace the defective part in the sealed
refrigerating system.

What GE Will Not Cover:
■ Service trips to your home to teach you how to use
the product.
■ Improper installation, delivery or maintenance.
■ Failure of the product if it is abused, misused, or used for
other than the intended purpose or used commercially.
■ Loss of food due to spoilage.
■ Replacement of house fuses or resetting of circuit
breakers.
■ Damage caused after delivery.

■ Replacement of the water filter cartridge, if included,
due to water pressure that is outside the specified
operating range or due to excessive sediment in the
water supply.
■ Replacement of the light bulbs, if included, or water filter
cartridge, if included, other than as noted above.
■ Damage to the product caused by accident, fire, floods
or acts of God.
■ Incidental or consequential damage caused by possible
defects with this appliance.
■ Product not accessible to provide required service.

EXCLUSION OF IMPLIED WARRANTIES—Your sole and exclusive remedy is product repair as provided in this Limited
Warranty. Any implied warranties, including the implied warranties of merchantability or fitness for a particular purpose,
are limited to one year or the shortest period allowed by law.
This warranty is extended to the original purchaser and any succeeding owner for products purchased for home use within
the USA. If the product is located in an area where service by a GE Authorized Servicer is not available, you may be
responsible for a trip charge or you may be required to bring the product to an Authorized GE Service location for service.
In Alaska, the warranty excludes the cost of shipping or service calls to your home.
Some states do not allow the exclusion or limitation of incidental or consequential damages. This warranty gives you specific
legal rights, and you may also have other rights which vary from state to state. To know what your legal rights are, consult
your local or state consumer affairs office or your state’s Attorney General.
Warrantor: General Electric Company. Louisville, KY 40225

– 66 –



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