Alliance Laundry Systems Hx Users Manual Washer Extractor Service

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Service

Washer-Extractor
Cabinet Freestanding
HX, SX and UX OPL Models
Refer to Page 8 for Model Numbers

CFS462N

www.comlaundry.com

Part No. 9001900
December 2005

Table of Contents
Section 1 – Safety Information
General Safety Precautions .....................................3
Important Safety Instructions ..................................4
Locating an Authorized Servicer ............................6

Section 2 – Introduction
Customer Service ....................................................7
Model Identification ................................................8

Section 3 – Troubleshooting
1. WE-8 Control Has No Visible Display (P and
N-Voltage Models) ........................................10
2. WE-8 Control Has No Visible Display (Q and
X-Voltage Models) ........................................14
3. No Fill Analysis .............................................18
4. Water Runs Continuously into the WasherExtractor .........................................................22
5. Door Lock Switch Analysis: Display Shows
“Door Error” ..................................................26
6. Door Lock Switch Analysis: Display Reads
“Please Close Door” .......................................30
7. Door Lock Switch Analysis: “Door Won’t
Unlock” ..........................................................34
8. No Output Voltage to Components ................38
9. No Motor Operation With No AC
Drive Fault .....................................................42
10. No Motor Operation With AC Drive Fault ....46
11. The Motor is Running, But at an Abnormal
Speed ..............................................................50
Preliminary Checks: .....................................50
Secondary Checks: .......................................50
Calibration of the Machine...........................50
12. No Spin ..........................................................51
13. Machine Did Not Fill Alarm Analysis ...........52
14. Empty Alarm Analysis ...................................56
15. Automatic Supply Dispenser Analysis ..........60
16. No Keypad Board Functions ..........................62
17. Excessive Cycle Time ....................................63
18. Excessive Vibration and/or Noise
During Spin ....................................................64

Section 4 – Service Procedures
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.

Top Cover Removal and Replacement ..........65
Keypad Removal and Installation ..................65
Computer Board Removal and Installation ...66
Keymode Switch Removal and Installation ...69
AC Drive Switch Removal and Installation ..70
Rear Panel Removal and Replacement ..........71
Side Panel Removal and Installation .............71
Drive Belt Removal and Replacement ...........72
Water Valve Removal and Replacement .......73
Drain Valve ....................................................74
Door Gasket Removal and Replacement .......74
Motor Removal and Replacement
(18, 25, 35, 55 and 75-Pound Capacity
Models) ..........................................................75
31. Motor Removal and Replacement
(100, 135 and 165-Pound Capacity Models) .76

© Copyright 2005, Alliance Laundry Systems LLC
All rights reserved. No part of the contents of this book may be reproduced or transmitted in any form or by any means without
the expressed written consent of the publisher.
9001900

9001900

Section 1
Safety Information
Throughout this manual and on machine decals, you will find precautionary statements (“CAUTION,”
“WARNING,” and “DANGER”) followed by specific instructions. These precautions are intended for the personal
safety of the operator, user, servicer and those maintaining the machine.
a DANGER
Indicates an imminently hazardous situation that, if not avoided, will cause severe personal injury or death.
a WARNING
Indicates a hazardous situation that, if not avoided, could cause severe personal injury or death.
a CAUTION
Indicates a hazardous situation that, if not avoided, may cause minor or moderate personal injury or property
damage.
Additional precautionary statements (“IMPORTANT” and “NOTE”) are followed by specific instructions.
IMPORTANT
The word “IMPORTANT” is used to inform the reader of specific procedures where minor machine damage will
occur if the procedure is not followed.
NOTE
The word “NOTE” is used to communicate installation, operation, maintenance or servicing information that is
important but not hazard related.

General Safety Precautions
In the interest of safety, some general precautions relating to the operation of this machine follow.

WARNING
• Failure to install, maintain and/or operate this product according to the manufacturer’s
instructions may result in conditions which can produce serious injury, death and/or property
damage.
• Do not repair or replace any part of the product or attempt any servicing unless specifically
recommended or published in this Service Manual and unless you understand and have the
skills to carry out the servicing.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the product is properly grounded and to reduce the risk of fire,
electric shock, serious injury or death.
W006R2

(continued)
9001900

Section 1 Safety Information

WARNING
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the washer-extractor before servicing.
• Never start the washer-extractor with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the washer-extractor is properly grounded.
W460

WARNING
Repairs that are made to your products by unqualified persons can result in hazards due to
improper assembly or adjustments subjecting you or the inexperienced person making such
repairs to the risk of serious injury, electrical shock or death.
W007

WARNING
If you or an unqualified person perform service on your product, you must assume the
responsibility for any personal injury or property damage which may result. The manufacturer
will not be responsible for any injury or property damage arising from improper service and/or
service procedures.
W008

Always contact your dealer, distributor, service agent or the manufacturer about any problems or conditions you do
not understand.

Important Safety Instructions

WARNING
To reduce the risk of fire, electric shock, serious injury or death to persons when using your
washer, follow these basic precautions:
W023E

1. Read all instructions before using the washer-extractor.
2. Refer to the GROUNDING INSTRUCTIONS in the INSTALLATION manual (supplied with your washerextractor) for the proper grounding of the washer-extractor.
3. Do not wash textiles that have been previously cleaned in, washed in, soaked in or spotted with gasoline, drycleaning solvents or other flammable or explosive substances. They give off vapors that could ignite or
explode.
4. Do not add gasoline, dry-cleaning solvents or other flammable or explosive substances to the wash water.
These substances give off vapors that could ignite or explode.
5. Under certain conditions, hydrogen gas may be produced in a hot water system that has not been used for two
weeks or more. HYDROGEN GAS IS EXPLOSIVE. If the hot water system has not been used for such a
period, before using a washer-extractor, turn on all hot water faucets and let the water flow from each for
several minutes. This will release any accumulated hydrogen gas. The gas is flammable. Do not smoke or use
an open flame during this time.

9001900

Section 1 Safety Information

6. Do not allow children to play on or in a washer-extractor. Close supervision of children is necessary when the
washer-extractor is used near children.
7. Before the washer-extractor is removed from service or discarded, remove the door to the washing
compartment.
8. Do not reach into the washer-extractor if the wash basket is moving.
9. Do not install or store the washer-extractor where it will be exposed to water and/or weather.
10. Do not tamper with the washer-extractor’s controls.
11. Do not repair or replace any part of the washer-extractor or attempt any servicing unless specifically
recommended in the user-maintenance instructions or in published user-repair instructions that the user
understands and has the skills to carry out.
12. To reduce the risk of an electrical shock or fire, DO NOT use an extension cord or an adapter to connect the
washer-extractor to an electrical power source.
13. Use the washer-extractor only for its intended purpose, washing clothes.
14. ALWAYS disconnect the washer-extractor from its electrical supply before attempting any service.
15. Install the washer-extractor according to the INSTALLATION INSTRUCTIONS. All connections for water,
drain, electrical power and grounding must comply with local codes and, when required, be made by licensed
personnel.
16. To reduce the risk of fire, textiles which have traces of any flammable substances such as vegetable oil,
cooking oil, machine oil, flammable chemicals, thinner, etc. or anything containing wax or chemicals such as
in mops or cleaning cloths, must not be put into the washer-extractor. These flammable substances may cause
the fabric to ignite.
17. Do not use fabric softeners or products to eliminate static unless recommended by the manufacturer of the
fabric softener or product.
18. Keep the washer-extractor in good condition. Bumping or dropping the washer-extractor can damage its safety
features. If this occurs, have the washer-extractor checked by a qualified service person.
19. Replace worn power cords and/or loose plugs.
20. Be sure that water connections have a shut-off valve and that fill hose connections are tight. CLOSE the shutoff valves at the end of each wash day.
21. The loading door MUST BE CLOSED any time the washer-extractor is to fill, tumble or spin. DO NOT bypass the loading door switch and permit the washer-extractor to operate with the loading door open.
22. Always read and follow the manufacturer’s instructions on packages of laundry and cleaning aids. Heed all
warnings and precautions. To reduce the risk of poisoning or chemical burns, keep them out of the reach of
children at all times (preferably in a locked cabinet).
23. Always follow the fabric care instructions supplied by the textile manufacturer.
24. Never operate the washer-extractor with any guards and/or panels removed.
25. DO NOT operate the washer-extractor with missing or broken parts.
26. DO NOT by-pass any safety devices.
27. Failure to install, maintain and/or operate this washer-extractor according to the manufacturer's instructions
may result in conditions that can produce bodily injury and/or property damage.
NOTE: The WARNING and IMPORTANT SAFETY INSTRUCTIONS appearing in this manual are not
meant to cover all possible conditions and situations that may occur. Common sense, caution and care must
be exercised when installing, maintaining and operating the washer-extractor.
Any problems or conditions not understood should be reported to the dealer, distributor, service agent or the
manufacturer.

9001900

Section 1 Safety Information

Locating an Authorized Servicer
Alliance Laundry Systems is not responsible for personal injury or property damage resulting from improper
service. Review all service information before beginning repairs.
Warranty service must be performed by an authorized technician, using authorized factory parts. If service is
required after the warranty expires, Alliance Laundry Systems also recommends contacting an authorized
technician and using authorized factory parts.

9001900

Section 2
Introduction
Customer Service
Alliance Laundry Systems is not responsible for
personal injury or property damage resulting from
improper service. Review all service information
before beginning repairs.
If literature or replacement parts are required, contact
the source from whom the machine was purchased or
contact Alliance Laundry Systems at (920) 748-3950
for the name of the nearest authorized parts distributor.
For technical assistance, call (920) 748-3121.

9001900

Section 2 Introduction

Model Identification
Information in this manual is applicable to these washer-extractors.
HX18PVQM6
HX18PVQU6
HX18PVXM6
HX18PVXU6
HX25PVQM6
HX25PVQU6
HX25PVXM6
HX25PVXU6
HX35PVQM6
HX35PVQU6
HX35PVXM6
HX35PVXU6
HX55PVNU6
HX55PVQU6
HX55PVXU6
HX75PVNU6

HX75PVQU6
HX100PVNU6
HX100PVQU6
HX135PVNU6
HX135PVQU6
HX165PVNU6
HX165PVQU6
SX18PVQM6
SX18PVQU6
SX18PVXM6
SX18PVXU6
SX25PVQM6
SX25PVQU6
SX25PVXM6
SX25PVXU6
SX35PVQM6

SX35PVQU6
SX35PVXM6
SX35PVXU6
SX55PVNU6
SX55PVQU6
SX55PVXU6
SX75PVNU6
SX75PVQU6
SX100PVNU6
SX100PVQU6
SX135PVNU6
SX135PVQU6
SX165PVNU6
SX165PVQU6
UX18PVNA6
UX18PVNU6

UX18PVPA6
UX18PVPU6
UX18PVQA6
UX18PVQM6
UX18PVQU6
UX18PVXA6
UX18PVXM6
UX18PVXU6
UX25PVNA6
UX25PVNU6
UX25PVPA6
UX25PVPU6
UX25PVQA6
UX25PVQM6
UX25PVQU6
UX25PVXA6

UX25PVXM6
UX25PVXU6
UX35PVNA6
UX35PVNU6
UX35PVPA6
UX35PVPU6
UX35PVQA6
UX35PVQM6
UX35PVQU6
UX35PVXA6
UX35PVXM6
UX35PVXU6
UX55PVNU6
UX55PVPU6
UX55PVQU6
UX55PVXU6

UX75PVNU6
UX75PVPU6
UX75PVQU6
UX100PVNU6
UX100PVPU6
UX100PVQU6
UX135PVNU6
UX135PVPU6
UX135PVQU6
UX165PVNU6
UX165PVPU6
UX165PVQU6

9001900

Section 3
Troubleshooting
WARNING
To reduce the risk of electrical shock, fire, explosion, serious injury or death:
• Disconnect electrical power to the washer-extractor before servicing it.
• Close the gas shut-off valve to the washer-extractor (when applicable) before servicing it.
• Never start the washer-extractor with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the washer-extractor is properly grounded.
W461R1

9001900

Section 3 Troubleshooting

1. WE-8 CONTROL HAS NO VISIBLE DISPLAY (P AND N-VOLTAGE MODELS)
The WE-8 control has
no visible display.

Is
the main
power circuit
breaker
on?

Turn on the main power
circuit breaker.

YES

1
Is there
voltage
(380-480 Volts)
into the control
transformer?

Check the wiring between the main
power block and the control transformer.
Repair or replace the wiring as needed.

YES

2
Is there
voltage
(200-240 Volts)
out of the
control
transformer?

NO
Replace the control transformer.

YES

3
Is there
voltage (120
Volts) into
and out of the
3.15 Amp
fuse?

NO
Replace the 3.15 Amp fuse.

YES

Is there
voltage (120
Volts) into and
out of both sides of
the E-stop
switch?

4
Reset and return (either by pulling or by
twisting and pulling) the E-stop switch.
If, after resetting and returning, there is
still no voltage, replace the E-stop
switch.

YES

5
Is there
voltage (220
Volts) between the
L2 (blue) and L1 (brown)
wires going into the
power connector
on the main
board?

Check the L2 (blue) and L1 (brown) wires
between the E-stop switch and the power
connector on the main board. Repair or
replace the wires as needed.

YES

YES
Replace the 125 mA fuse.

Is the
125 mA fuse
below the power
connector on the
main board blown?
An ohms test is the
recommended
check for
the fuse.

6
NO

Check the cable between the main board
and the keypad for any loose or broken
connections. Repair or replace the cable
as needed.
If the cable is intact, please contact
Alliance Laundry Systems’ customer
service department before replacing
the main board, keypad or cable between
the main board and keypad.

CFD2S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

WE-8 Control Has No Visible Display (P and N-Voltage Models) (Sheet 1 of 2)

4
2

NOTE: Refer to the wiring diagram supplied with your machine.
12

9001900

Section 3 Troubleshooting

WE-8 Control Has No Visible Display (P and N-Voltage Models) (Sheet 2 of 2)

CFD3S
063787600D

9001900

Section 3 Troubleshooting

2. WE-8 CONTROL HAS NO VISIBLE DISPLAY (Q AND X-VOLTAGE MODELS)

The WE-8 control has
no visible display.

Is
the main
power circuit
breaker
on?

Turn on the main power
circuit breaker.

YES

1
Is
there
voltage
(200-240 Volts)
coming out of the
main power block
between wires
L2 (blue) and
L1 (brown)?

Check the main power circuit
breaker and power to the machine.

YES

2
Is there
Voltage (120
Volts) into
and out of the
3.15 Amp
fuse?

NO
Replace the 3.15 Amp fuse.

YES

Is there
voltage (120
Volts) into and
out of both sides of
the e-stop
switch?

3
Reset and return (either by pulling or by
twisting and pulling) the E-stop switch.
If, after resetting and returning, there is
still no voltage, replace the E-stop
switch.

YES

4
Is there
voltage (220
Volts) between the
L2 (blue) and L1 (brown)
wires going into the
power connector
on the main
board?

Check the L2 (blue) and L1 (brown) wires
between the E-stop switch and the power
connector on the main board. Repair or
replace the wires as needed.

YES

YES
Replace the 125 mA fuse.

Is the
125 mA fuse
above the power
connector on the
main board blown?
An ohms test is the
recommended
check for
the fuse.

5
NO

Check the cable between the main board
and the keypad for any loose or broken
connections. repair or replace the cable
as needed.

If the cable is intact, please contact
Alliance Laundry Systems’ customer
service department before replacing
the main board, keypad or cable between
the main board and keypad.

CFD4S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

WE-8 Control Has No Visible Display (Q and X-Voltage Models) (Sheet 1 of 2)

NOTE: Refer to the wiring diagram supplied with your machine.
16

9001900

Section 3 Troubleshooting

WE-8 Control Has No Visible Display (Q and X-Voltage Models) (Sheet 2 of 2)

3.15 A
4
3

2
1

CFD5S

9001900

Section 3 Troubleshooting

3. NO FILL ANALYSIS

Is
there water
coming in through
the water supply
lines?

Replace the valve’s solenoid if
available. If the solenoid isn’t
available, replace the entire
valve.

Check the main water valve
shut-offs to make sure that
they are turned on. Check
inside of the water hoses and
in-line screens for any
blockages.

YES

Is there
magnetism within
the center
walls of the
valve
solenoid?

YES

Is there voltage
(220 Volts) between the
two wires of the
water valve that
has been
programmed to turn
on?

YES
NO
Replace or repair the
mechanical parts of the valve
with a repair kit if available. If
a repair kit isn’t available,
replace the entire valve.

2
Is
there voltage
(220 Volts) between
the wire from the main
board harness on the water
valve that has been programmed
to turn on?
The red wire is the hot fill,
the gray wire is the cold fill
and the blue wire
is the neutral.

Assuming that all
checks were done
correctly, replace the
main board or contact
Alliance Laundry
Systems’ customer
service department to
verify that all checks
have been done
correctly.

YES

Check the wiring between the
main board and the water valve
that has been programmed to
turn on. Repair or replace the
wiring as needed.

Note: There may be a modular
connector between the wire
and the main board.

CFD18S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

No Fill Analysis (Sheet 1 of 2)

NOTE: Refer to the wiring diagram supplied with your machine.
20

9001900

Section 3 Troubleshooting

No Fill Analysis (Sheet 2 of 2)

2
2

3
3

1 Hot Fill
X18 - 75

1 Cold Fill
X18 - 75

1 Hot Fill
X100 - 135

1 Cold Fill
X100 - 135

CFD19S

9001900

Section 3 Troubleshooting

4. WATER RUNS CONTINUOUSLY INTO THE WASHER-EXTRACTOR
NOTE: This information applies to the three main fill valves as well as the three supply valves. The first task in this
process is to determine which valve is staying on. This may be done by individually shutting off the water supply to
each valve. Find the location where the water is flushing into the machine and follow the hose back to the solenoid
Once the valve has been identified, proceed as follows:

Turn the main
power to the
machine off.
Does the water
shut off?

Clean the valve or
install a repair kit inside
the valve if available. If
a repair kit isn’t
available, replace the
entire valve.

YES

1
Is there voltage (220 Volts)
between the two wires of the
solenoid on the water valve
that is staying on?
NO

For example, if the 1-5 (hot fill
on X18-75) is staying on, is
there voltage (220 Volts)
between the common (red) and
neutral (blue) wires of the
solenoid?

YES

Repair or replace the
main board (water)
harness as needed.

Is the
main board
(water) harness
connected correctly
as shown on the wiring
schematic and is it intact?

Check the microprocessor
display to make sure that
the microprocessor isn’t
calling for the water
valve to turn on when it
shouldn’t be. If it is, turn
off the power to the machine
for at least 20 seconds and
then turn the power back
on. Make sure that the
display reads “CYCLE 00.”

2
YES

Note: Make sure there are
no wires loose, shorted
or disconnected
from the main
board (water)
harness.

If the microprocessor is
still calling for the water
valve to turn on when it
shouldn’t be, assuming
that all checks were done
correctly, replace the
main board or contact
Alliance Laundry Systems’
customer service
department to verify that
all checks have been done
correctly.
CFD20S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

Water Runs Continuously into the Washer-Extractor (Sheet 1 of 2)

NOTE: Refer to the wiring diagram supplied with your machine.
24

9001900

Section 3 Troubleshooting

Water Runs Continuously into the Washer-Extractor (Sheet 2 of 2)

CFD21S

9001900

Section 3 Troubleshooting

5. DOOR LOCK SWITCH ANALYSIS: DISPLAY SHOWS “DOOR ERROR”

The display reads “door error”.

Check
the wiring from the
door terminal on the main
board to the molex plug
(75-165 models only)
and from the molex plug to
the door lock switches and
solenoid. Is the wiring intact
and properly
connected?

Repair/replace the wiring as
needed.

YES

1
Is
there voltage (70
Volts AC) between
the white/brown and
white/orange wires
on the top
switch?

YES
Replace the top switch.

Is
there voltage (70
Volts AC) between
the black and red
wires wires on the
solenoid?

YES
Replace the solenoid.

YES

Is
there voltage (70
Volts AC) between the
black and red
terminals on the main
board's door
terminal?

NO
Replace the main board.

CFD1993S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

Door Lock Switch Analysis: Display Shows “Door Error” (Sheet 1 of 2)

NOTE: Refer to the wiring diagram supplied with your machine.
28

9001900

Section 3 Troubleshooting

Door Lock Switch Analysis: Display Shows “Door Error” (Sheet 2 of 2)

CFD1994S
UX75

9001900

Section 3 Troubleshooting

6. DOOR LOCK SWITCH ANALYSIS: DISPLAY READS “PLEASE CLOSE DOOR”

The display reads “Please Close Door”.

Is
the door
closed?

NO
Close the door.

YES

Check
the orange/white and
white/brown wires from the door
terminal on the main board,
through the molex plug (75-165
models only) and from the molex
plug to the door lock top door
switch. Is the wiring intact and
properly connected?

Repair/replace the wiring as
needed.

YES

Check the top switch with a
continuity test to see if it opens
and closes properly. Replace
the switch if it does not open
and close properly.

CFD1995S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

Door Lock Switch Analysis: Display Reads “Please Close Door” (Sheet 1 of 2)

NOTE: Refer to the wiring diagram supplied with your machine.
32

9001900

Section 3 Troubleshooting

Door Lock Switch Analysis: Display Reads “Please Close Door” (Sheet 2 of 2)

CFD1996S
UX75

9001900

Section 3 Troubleshooting

7. DOOR LOCK SWITCH ANALYSIS: “DOOR WON’T UNLOCK”

The display reads “Please Open the
Door”, but the door can't be opened.

Check
the black and white wires
from the door terminal on the
main board, through the molex
plug (75-165 models only) and
from the molex plug to the door
solenoid. Is the wiring
intact and properly
connected?

Repair/replace the wiring as
needed.

YES

2
Is
there voltage (70
Volts AC) between the
black and white
terminals on the main
board's door
terminal?

NO
Replace the main board.

YES

Is there voltage (70 Volts AC)
on the wiring between the
computer board and the door
lock solenoid?
Repair/replace the wiring as
needed.

Is
there voltage (70
Volts AC) between the
black and white
terminals on the door
lock solenoid?

YES
Replace the door lock solenoid.

CFD1997S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

Door Lock Switch Analysis: “Door Won’t Unlock” (Sheet 1 of 2)

NOTE: Refer to the wiring diagram supplied with your machine.
36

9001900

Section 3 Troubleshooting

Door Lock Switch Analysis: “Door Won’t Unlock” (Sheet 2 of 2)

1
3

CFD1998S
UX75

9001900

Section 3 Troubleshooting

8. NO OUTPUT VOLTAGE TO COMPONENTS
1
Is there
voltage (refer to
Figure 1) on the main
board terminals that
the wires going to the
component are
connected
to?

Replace the
main board.

YES

2
Is
there
voltage (refer to
Figure 1) on the
wires on the input
side of the
components?

Repair/replace the wiring as
needed.

YES

Repair/replace the component
as needed.

Component Voltage/Reading Points Chart
Component
Water
Flush A
Hard Fill
Hot Fill
Cold Fill
Flush C
Flush B
Drain
Drain Motor Fan
Drive Fan
Door
Door Latch Switch
Door Lock Switch
Door Solenoid
Tilt
Tilt
Soap
S4
S5
S6
S7
S8
S9

Voltage Reading Points

Voltage Reading

Clear wire to Blue wire
White/Black wire to Blue wire
Red wire to Blue wire
Gray wire to Blue wire
White wire to Blue wire
Purple wire to Blue wire

220 Volts AC
220 Volts AC
220 Volts AC
220 Volts AC
220 Volts AC
220 Volts AC

Clear wire to Blue wire
Clear wire to Blue wire

220 Volts AC
220 Volts AC

Orange/White wire to White/Brown wire
Orange/White wire to White/Black wire
Black wire to Red or White wire

5 Volts DC
5 Volts DC
70 Volts AC

White/Purple wire to White/Orange wire

5 Volts DC

White/Orange wire to Black wire
Red/Black wire to Black wire
Yellow/Red wire to Black wire
White/Brown wire to Black wire
Red/Gray wire to Black wire
White/Red wire to Black wire

24 Volts DC
24 Volts DC
24 Volts DC
24 Volts DC
24 Volts DC
24 Volts DC

Figure 1

CFD2000S

Figure 1
38

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

No Output Voltage to Components (Sheet 1 of 2)

2
2

2
2
1
1

NOTE: Refer to the wiring diagram supplied with your machine.
40

9001900

Section 3 Troubleshooting

No Output Voltage to Components (Sheet 2 of 2)

2
2

2
1

CFD2001S
UX75

9001900

Section 3 Troubleshooting

9. NO MOTOR OPERATION WITH NO AC DRIVE FAULT
The motor does not operate and
there are no apparent AC drive
faults present.

Repair and/or replace the
drive system as needed.

NO
1

Is the
drive system
(e.g., motor, belt,
pulleys) operating
properly?

For
single-phase models, is
there voltage (200 Volts AC)
from L1 to L2 on the AC drive?

YES

Check for incoming voltage
from the main breaker to the
machine.

For 3-phase models, is there
voltage (200 Volts AC) from L1
to L2, from L1 to L3 and from
L2 to L3 on the
AC drive?

YES
Repair and/or replace
the wires as needed.

For 18, 25, 35 and 55 - pound capacity
models, are the following voltage (24 Volts
DC) readings present? NOTE: The readings
must be taken during a cycle.
Forward Rotation: From the stf to the white
wire and from the stf to the brown wire
Reverse Rotation: From the str to the white
wire and from the str to the brown wire

Are
the wires on
the FREQ terminal
on the Main Board
connected
properly?

NO
YES

For 75, 100, 135 and 165 -pound capacity
models, are the following voltage (24 Volts
DC) readings present? NOTE: The readings
must be taken during a cycle.
Forward Rotation: From stf to ground
Reverse Rotation: From str to ground

Check the AC drive parameter
settings.
Contact Alliance Laundry
Systems' Customer Service
Department for the parameter
setting for your machine.

3
Are the
following voltage (24 Volts DC)
readings present?

YES

Forward Rotation (STF):
From the red/black wire to the brown wire.
From the red/black wire to the white wire.

YES

Reverse Rotation (STR):
From the yellow/black wire to the brown
wire. From the yellow/black wire to the
white wire.

Refer to the "No Motor
Operation (With AC Drive
Fault)" flowchart.

Replace the main board.

CFD2002S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

No Motor Operation With No AC Drive Fault (Sheet 1 of 2)

1
2

NOTE: Refer to the wiring diagram supplied with your machine.
44

9001900

Section 3 Troubleshooting

No Motor Operation With No AC Drive Fault (Sheet 2 of 2)

3
3

CFD2003S
UX75

9001900

Section 3 Troubleshooting

10. NO MOTOR OPERATION WITH AC DRIVE FAULT

Symptom: The Motor Is Not Running And There Is An Apparent AC Drive Fault Present.
Install a parameter unit
and find the AC drive
fault present.

Try to
clear the
fault by powering
down the machine
and restoring power.
Does the
fault return?

YES

Find the fault code listed in the
chart shown on the following
pages. There is a corrective
action listed for each fault.
Perform the action listed for
the fault displayed.

Refer to the “no motor
operation (with no AC drive
fault)” flow chart.

CFD1999S

9001900

Section 3 Troubleshooting

No Motor Operation With AC Drive Fault
Operation
Panel
Indication

Name

Description and NOTES

Check point

Overcurrent
When the inverter output current reaches or exceeds • Check for sudden
shut-off during approximately 200% of the rated current during
acceleration.
acceleration
acceleration, the protective circuit is activated to stop • Check for output
the inverter output.
short-circuit/ground
fault.

9001900

Corrective action
Increase the
acceleration time.

Overcurrent
When the inverter output current reaches or exceeds
shut-off during approximately 200% of the rated current during
constant speed constant speed, the protective circuit is activated to
stop the inverter output.

• Check for sudden load Keep load stable.
change.
• Check for output shortcircuit/ground fault.

Overcurrent
When the inverter output current reaches or exceeds
shut-off during approximately 200% of the rated current during
deceleration
deceleration (other than acceleration or constant
speed), the protective circuit is activated to stop the
inverter output.

• Check for sudden speed Increase the
reduction.
deceleration time.
• Check for output
Adjust brake operation.
short-circuit/ground
fault.
• Check for too fast
operation of motor's
mechanical brake.

Regenerative
overvoltage
shut-off during
acceleration

If regenerative energy causes the inverter's internal
Check for too slow
main circuit DC voltage to reach or exceed the
acceleration.
specified value, the protective circuit is activated to
stop the inverter output. It may also be activated by a
surge voltage generated in the power supply system

Decrease the
acceleration time.

Regenerative
overvoltage
shut-off during
constant speed

If regenerative energy causes the inverter's internal
Check for sudden load
main circuit DC voltage to reach or exceed the
change.
specified value, the protective circuit is activated to
stop the inverter output. It may also be activated by a
surge voltage generated in the power supply system.

Keep load stable. Use
the brake unit or high
power factor converter
(FR-HC) as required.

Regenerative
overvoltage
shut-off during
deceleration or
stop

If regenerative energy causes the inverter's internal
Check for sudden speed
main circuit DC voltage to reach or exceed the
reduction.
specified value, the protective circuit is activated to
stop the inverter output. It may also be activated by a
surge voltage generated in the power supply system.

• Increase the
deceleration time.
(Set the deceleration
time which matches
the inertia moment of
the load.)
• Decrease the braking
duty.
• Use the brake unit or
high power factor
converter (FR-HC) as
required.

Motor overload
shut-off
(electronic
overcurrent
protection)

The electronic overcurrent protection in the inverter Check the motor for use
detects motor overheat due to overload or reduced
under overload.
cooling capability during constant-speed operation to
stop the inverter output.When a multi-pole motor or
two or more motors are run, provide a thermal relay
in the output side of the inverter.

• Reduce the load
weight.
• For the
constant-torque
motor, change the Pr.
71 setting to the
constant-torque
motor setting.

Inverter
overload shutoff (electronic
overcurrent
protection)

If a current of more than 150% of the rated output
Check the motor for use
current flows and overcurrent shut-off does not occur under overload.
(200% or less) inverse-time characteristics cause the
electronic overcurrent protection to be activated to
stop the inverter output in order to protect the output
transistors.
Note: Resetting the inverter initializes the internal
heat integrating data of the electronic overcurrent
protection.

Reduce the load
weight.

Fin overheat

If the cooling fin overheats, the overheat sensor is
actuated to stop the inverter output.

Set the ambient
temperature to within
the specifications.

• Check for too high
ambient temperature.
• Check for cooling fin
clogging.

Section 3 Troubleshooting

No Motor Operation With AC Drive Fault(continued)
Operation
Panel
Indication

Name

Description and NOTES

Brake transistor If a brake transistor fault occurs due to excessively
alarm detection large regenerative energy from the motor, for
example, that fault is detected to stop the inverter
output. In this case, the inverter power must be
switched off immediately.
Note: This function is activated only when the
optional brake resistor is connected.

Check point

Corrective action

Check for improper
braking duty.

• Change the inverter.
• Please contact your
sales representative.

Output side
ground fault
overcurrent
protection

This function stops the inverter output if a ground
Check for a ground fault
fault overcurrent flows due to a ground fault which
in the motor and
occurred in the inverter's output (load) side. Use Pr. connection cable.
249 "ground fault detection at start” to set whether
the protective function is to be activated or not. (In the
400V class, the protective function is always active.)

External
thermal relay
operation

If the external thermal relay designed for motor
• Check for motor
Reduce the load and
overheat protection or the internally mounted
overheating.
operating duty.
temperature relay in the motor switches on (contacts • Check that the value of
open), the inverter output is stopped. If the relay
7 (OH signal) is set
contacts are reset automatically, the inverter will not
correctly in any of Pr.
restart unless it is reset.
180 to Pr. 183 (input
terminal function
Note: This function is activated only when OH has
selection).
been set to any of Pr. 180 to Pr. 183 (input terminal
function selection).

Remedy the ground
fault portion.

Stall prevention The running frequency has fallen to 0 by stall
prevention activated. (OL while stall prevention is
being activated.)

Check the motor for use
under overload.

Reduce the load
weight.

Option alarm
Stops the
inverter output
if the inverter
station is
disconnected
from the system
in the NET
mode.

Also stops the inverter output if the dedicated option
used in the inverter results in setting error or
connection (connector) fault.
Note: Only when the FR-E5NC is fitted to the
three-phase 400V power input model.

Check that the plug-in
option connector is
plugged securely.

• Connect the plug-in
option securely.
• Please contact your
sales representative.

Parameter
storage device
alarm

A fault occurred in parameters stored (example:
E2PROM fault).

Check for too many
number of parameter
write times.

Please contact your
sales representative.

Parameter unit
disconnection

This function stops the inverter output if
• Check for loose fitting Fit the control panel
communication between the inverter and PU is
of the control panel
(FR-PA02-o2) and
suspended, e.g. the PU is disconnected, when "2",
(FR-PA02-o2) or
FR-PU04 securely.
"3", "16" or "17" was set in Pr. 75. This function stops
FR-PU04.
the inverter output if the number of successive
• Check the Pr. 75 setting.
communication errors is greater than the number of
permissible retries when the Pr. 121 value is "9999"
for RS-485 communication from the PU connector.

Retry count
exceeded

If operation cannot be resumed properly within the
number of retries set, this function stops the inverter
output.

CPU error

If the arithmetic operation of the built-in CPU does
not end within a predetermined period, the inverter
self-determines it as an alarm and stops the output.

Please contact your
sales representative.

CPU error

This function stops the inverter output if a
communication error occurs in the built-in CPU.
(400V class only)

Please contact your
sales representative.

Find the cause of alarm
occurrence.

Eliminate the cause of
the error preceding this
error indication.

9001900

Section 3 Troubleshooting

No Motor Operation With AC Drive Fault(continued)
Operation
Panel
Indication

Name

Description and NOTES

Check point

Output phase
failure
protection

This function stops the inverter output if one of the
three phases (U, V, W) on the inverter's output side
(load side) results in open phase.

• Check the wiring
• Wire the cables
(Check the motor for a
properly.
fault.)
• Check the setting of
• Check that the capacity
Pr. 251 "output phase
of the used motor is not
failure protection
smaller than the inverter
selection".
capacity.

Fan fault

For the inverter which contains a cooling fan, FN
appears on the operation panel when the cooling fan
stops due to a fault or operates differently from the
setting of Pr. 244 "cooling fan operation selection".

Check the cooling fan for Change the fan.
a fault.

Stall prevention During acceleration—If a current of more than
Check the motor for use
(overcurrent)
150% of the rated inverter current flows in the motor, under overload.
this function stops the increase in frequency until the
overload current reduces to prevent the inverter from
resulting in overcurrent shut-off. When the overload
current has reduced below 150%, this function
increases the frequency again.
During constant-speed operation—If a current of
more than 150% of the rated inverter current flows in
the motor, this function lowers the frequency until the
overload current reduces to prevent overcurrent
shut-off. When the ~ overload current has reduced
below 150%, this function increases the frequency up
to the set value.
During deceleration—If a current of more than
150% of the rated inverter current flows in the motor,
this function stops the decrease in frequency until the
overload current reduces to prevent the inverter from
resulting in overcurrent shut-off. When the overload
current has reduced below 150%, this function
decreases the frequency again.

Corrective action

The acceleration/
deceleration time may
change. Increase the
stall prevention
operation level with Pr.
22 "stall prevention
operation level", or
disable stall prevention
with Pr. 156 "stall
prevention operation
selection".
Note: The stall
prevention operation
current can be set as
desired. It is
factory-set to 150%.

Stall prevention During deceleration—If the regenerative energy of • Check for sudden speed • The deceleration time
(overvoltage)
the motor increases too much to exceed the brake
reduction.
may change. Increase
capability, this function stops the decrease in
the deceleration time
frequency to prevent overvoltage shutoff. As soon as
using Pr. 8
the regenerative energy has reduced, deceleration
"deceleration time"
resumes.
PU stop

A stop made by pressing the
been set in Pr. 75 "PU stop
selection".

STOP
RESET

key of the PU has • Check for a stop made
STOP
by pressing the RESET
key of the operation
panel during external
operation.

This alarm appears if:
• The RES signal is on;
• You attempted to set any parameter value in the
external operation mode;
• You attempted to change the operation mode during
operation;
• You attempted to set any parameter value outside its
setting range.
• You attempted to set any parameter value during
operation (while signal STF or STR is ON).
• You attempted to set any parameter value while
parameter write is being inhibited in Pr. 77
"parameter write inhibit selection".

9001900

• Perform opeartion
correctly.

• Perform operation
correctly.

Section 3 Troubleshooting

11. THE MOTOR IS RUNNING, BUT AT AN ABNORMAL SPEED
Preliminary Checks:
a. Check all electrical connections between the “FREQ” plug on the main board and the AC drive. Refer to the
schematic supplied with the machine for wiring information.
Secondary Checks:
a. Recalibrate the main board by following the directions listed below.

Calibration of the Machine
The _x__PV should reflect the size selected in earlier
steps.
Program Cycle 00

Turn key to Program Mode.

Press “Auxiliary”, “3”, “1” and “Enter.”
Total working
hours : 0

The total hours the machine was running will be
displayed.
Press “Advance” and screen will show total cycles.
level : 0.0 “
Enter to zero

Press “Advance” to calibrate the water level sensor.
If the value is not zero, press “Enter” and the value
will change to zero.

Spin
XXX rpm

Reference x.xx

Press “Advance” to calibrate the motor.
The board will lock the door and let the motor spin at
approximately 500 RPM (Firmware version 1.12).
The rpm will increase on the display. If the machine
reached approximately 500 RPM, the display will
show a reference value.
After the reference value is shown, the machine will
coast down to stop. When the machine stands still, the
board will unlock the door.

NOTE: The main board must be recalibrated whenever either the main board or the AC drive has been
replaced.
b. Using a parameter unit, check the parameter set for your AC drive.
NOTE: Contact the factory with your washer-extractor’s model and serial number to obtain the proper AC
drive illustration.

9001900

Section 3 Troubleshooting

12. NO SPIN

NOTE: While performing this check, make sure that the washer-extractor is running
with a normal-size load.

When
the WE-8
computer is
engaged in a
high-speed extract
(e.g., spin 1, spin 2,
spin 3 or spin 4),
is the basket
rotating?

Is an AC drive
fault present?

YES

Refer to the “no motor
operation (with no AC
drive fault)” flowchart.

YES

Refer to the “no motor
operation (with AC drive
fault)” flowchart.
Is
the basket
rotating at a
slow “wash”
speed and trying
to accelerate to
spin speed?

Refer to the “the motor
is running but at an
abnormal speed”
flowchart.

YES

Check the balance switch and
its wiring located under the
machine's top cover.

CFD1988S

9001900

Section 3 Troubleshooting

13. MACHINE DID NOT FILL ALARM ANALYSIS

Is there water coming in
through the water supply
lines?

Check the main water valve
shut-offs, inside of the
water hoses and in-line
strainers.

YES

IS
there voltage
(220 Volts) at the
respective water
valve that should
be turning
on?

YES
Replace the water valve.

Is
there
continuity
between the wire
from the main
board to the
water valve?

YES
Replace the main board.

NO
Replace the main board.
3
YES
4

Is
the water plug
harness
connector on the
main board
intact?

Is
there voltage (220
Volts) between the
drain wires on the main
board?

YES

For example, for the
cold fill valve, is there
voltage between the
gray (cold fill) and blue
(common) wire?

Replace the water valve.

Replace the water valve
wiring harness.

CFD1989S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

Machine Did Not Fill Alarm Analysis (Sheet 1 of 2)

1
2

NOTE: Refer to the wiring diagram supplied with your machine.
54

9001900

Section 3 Troubleshooting

Machine Did Not Fill Alarm Analysis (Sheet 2 of 2)

CFD1990S
063787600D

9001900

Section 3 Troubleshooting

14. EMPTY ALARM ANALYSIS

The display reads “DID NOT
EMPTY.”

Is
there voltage
(220 Volts) at the
drain valve?

Check the drain valve and
drain plumbing for blockage.

Is
there voltage
(220 Volts) between
the blue and gray
wires going into
the drain
connection on the
main board?

NO
Replace the main board.

YES

Is
there continuity
from the drain
connection on the
main board to the
drain valve
harness?

YES
Replace the main board.

Replace the drain harness.

CFD1991S

9001900

Section 3 Troubleshooting

Please refer to the following 2 pages for wiring diagram information.

9001900

Section 3 Troubleshooting

Empty Alarm Analysis (Sheet 1 of 2)

NOTE: Refer to the wiring diagram supplied with your machine.
58

9001900

Section 3 Troubleshooting

Empty Alarm Analysis (Sheet 2 of 2)

CFD1992S
063787600D

9001900

Section 3 Troubleshooting

15. AUTOMATIC SUPPLY DISPENSER ANALYSIS
Run Program 38.
Cycle 38
Supply Setup
Step

Description

Cycle 38
Supply Setup
Min:sec

Step

Description

Min:sec

Warm Fill to Low Level