Chamberlain Group The 1D8169-1 MyQ - Garage Door Opener User Manual 114A4831

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Document ID	3438879
Application ID	0xMEd7Wvyl0m3BBPyB+3XA==
Document Description	User manual 2 of 2
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Document Type	User Manual
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Date Submitted	2017-06-25 00:00:00
Date Available	2017-06-25 00:00:00
Creation Date	2017-06-14 09:06:21
Producing Software	madbuild
Document Lastmod	2017-06-14 09:06:21
Document Title	114A4831
Document Author:	LiftMaster

Adjustments
PROGRAMMING BUTTONS
1 Program the Travel
UP Button
Adjustment
Button
Without a properly installed safety reversal system, persons (particularly small
children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
Incorrect adjustment of garage door travel limits will interfere with proper
operation of safety reversal system.
After ANY adjustments are made, the safety reversal system MUST be tested.
Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid
flat) on floor.
DOWN Button
Actual product may differ from image shown.
While programming, the UP and DOWN buttons can be used to move the door as
needed.
1. Press and hold the Adjustment Button until the UP Button begins to flash and/or
a beep is heard.
2. Press and hold the UP Button until the door is in the desired UP position.
3. Once the door is in the desired UP position press and release the Adjustment
Button. The garage door opener lights will flash twice and the DOWN Button will
begin to flash.
4. Press and hold the DOWN button until the door is in the desired DOWN position.
5. Once the door is in the desired DOWN position press and release the Adjustment
Button. The garage door opener lights will flash twice and the UP Button will
begin to flash.
6. Press and release the UP Button. When the door travels to the programmed UP
position, the DOWN Button will begin to flash.
7. Press and release the DOWN Button. The door will travel to the programmed
DOWN position. Programming is complete.
If the garage door opener lights are flashing 5 times during the steps for Program the
Travel, the programming has timed out. If the garage door opener lights are flashing 10
times during the steps for Program the Travel, the safety reversing sensors are
misaligned or obstructed (refer to page 24). When the sensors are aligned and
unobstructed, cycle the door through a complete up and down cycle using the remote
control or the UP and DOWN buttons. Programming is complete. If you are unable to
operate the door up and down, repeat the steps for Programming the Travel.
26
Adjustments
3 Test the Protector System®
2 Test the Safety Reversal System
Without a properly installed safety reversal system, persons (particularly small
children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
Safety reversal system MUST be tested every month.
After ANY adjustments are made, the safety reversal system MUST be tested.
Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid
flat) on the floor.
Without a properly installed safety reversing sensor, persons (particularly small
children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
1. Open the door. Place the garage door opener carton in the path of the door.
2. Press the remote control push button to close the door. The door will not move
more than an inch (2.5 cm), and the garage door opener lights will flash 10 times.
The garage door opener will not close from a remote control if the LED in either safety
reversing sensor is off (alerting you to the fact that the sensor is misaligned or
obstructed). If the garage door opener closes the door when the safety reversing sensor
is obstructed (and the sensors are no more than 6 inches [15 cm] above the floor), call
for a trained door systems technician.
1. With the door fully open, place a 1-1/2 inch (3.8 cm) board (or a 2x4 laid flat) on
the floor, centered under the garage door.
2. Press the remote control push button to close the door. The door MUST reverse
when it makes contact with the board.
If the door stops and does not reverse on the obstruction, increase the down travel (refer
to Adjustment Step 1). Repeat the test. When the door reverses upon contact with the
1-1/2 inch board, remove the board and open/close the door 3 or 4 times to test the
adjustment. If the garage door opener continues to fail the safety reversal test, call a
trained door systems technician.
27
Battery Backup
1 Install the Battery*
2 Test the Battery
1. Unplug the garage door opener. The battery status LED will either glow solid
orange indicating opener is operating on battery power or will flash indicating
low battery power. NOTE: Make sure the garage door opener is unplugged.
2. Open and close the door using the remote control or door control. NOTE: The
garage door opener may run slower if the battery is not fully charged. The battery
will take 24 hours to fully charge.
3. Plug in the garage door opener. Verify the battery status LED is flashing green,
indicating the battery is charging.
To reduce the risk of FIRE or INJURY to persons:
Disconnect ALL electric and battery power BEFORE performing ANY service or
maintenance.
Use ONLY LiftMaster part # 485LM for replacement battery.
DO NOT dispose of battery in fire. Battery may explode. Check with local
codes for disposal instructions.
ALWAYS wear protective gloves and eye protection when changing the battery or
working around the battery compartment.
1. Unplug the garage door opener.
2. Open the light lens on the right side panel of the garage door opener. Use a
Phillips head screwdriver to remove the battery cover on the garage door opener.
3. Partially insert the battery into the battery compartment with the terminals facing
out.
4. Connect red (+) and black (-) wires from the garage door opener to the
corresponding terminals on the battery.
5. Replace the battery cover.
6. Plug in the garage door opener.
7. Wait for the green Battery Status LED to start flashing before proceeding to test
the battery.
Battery
Status LED
* If applicable.
28
Battery Backup
Charge the Battery
Battery Status LED
The battery charges when the garage door opener is plugged into a 120Vac electrical
outlet that has power and requires 24 hours to fully charge. A fully charged battery
supplies 12Vdc to the garage door opener for one to two days of normal operation
during an electrical power outage. After the electrical power has been restored, the
battery will recharge within 24 hours. The battery will last approximately 1 to 2 years with
normal usage. Instructions for replacement are provided with the battery. To obtain
maximum battery life and prevent damage, disconnect the battery when the garage door
opener is unplugged for an extended period of time, such as a summer or winter home.
GREEN LED:
All systems are normal.
A solid green LED light indicates the battery is fully charged.
A flashing green LED indicates the battery is being charged.
ORANGE LED:
The garage door opener has lost power and is in battery backup mode.
A solid orange LED with beep, sounding approximately every 2 seconds,
indicates the garage door opener is operating on battery power.
A flashing orange LED with beep, sounding every 30 seconds, indicates the
battery is low.
RED LED:
The garage door opener's 12V battery needs to be replaced.
A solid red LED with beep, sounding every 30 seconds, indicates the 12V battery
will no longer hold a charge and needs to be replaced. Replace the battery back
up to maintain the battery backup feature.
NOTE: The Battery Status LED is most visible with the garage door opener light off.
Battery does not have to be fully charged to operate the garage door opener.
NOTE: When the garage door opener is in battery backup mode the garage door opener
lights, Timer-to-Close, and Remote Close features are unavailable.
* If applicable, part number 485LM.
Battery Status LED
29
Operation
IMPORTANT SAFETY INSTRUCTIONS
To reduce the risk of SEVERE INJURY or DEATH:
1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.
2. ALWAYS keep remote controls out of reach of children. NEVER permit children
to operate or play with garage door control push buttons or remote controls.
3. ONLY activate garage door when it can be seen clearly, it is properly adjusted,
and there are no obstructions to door travel.
4. ALWAYS keep garage door in sight and away from people and objects until
completely closed. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR.
5. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPENED DOOR.
6. If possible, use emergency release handle to disengage trolley ONLY when
garage door is CLOSED. Use caution when using this release with the door
open. Weak or broken springs or unbalanced door could result in an open
door falling rapidly and/or unexpectedly and increasing the risk of SEVERE
INJURY or DEATH.
7. NEVER use emergency release handle unless garage doorway is clear of
persons and obstructions.
8. NEVER use handle to pull garage door open or closed. If rope knot becomes
untied, you could fall.
9. After ANY adjustments are made, the safety reversal system MUST be tested.
10. Safety reversal system MUST be tested every month. Garage door MUST
reverse on contact with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on the
floor. Failure to adjust the garage door opener properly increases the risk of
SEVERE INJURY or DEATH.
11. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 4). An
improperly balanced door may NOT reverse when required and could result in
SEVERE INJURY or DEATH.
12. ALL repairs to cables, spring assemblies and other hardware, ALL of which are
under EXTREME tension, MUST be made by a trained door systems technician.
13. To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution,
disconnect ALL electric and battery power BEFORE performing ANY service or
maintenance.
14. This operator system is equipped with an unattended operation feature. The
door could move unexpectedly. NO ONE SHOULD CROSS THE PATH OF THE
MOVING DOOR.
15. DO NOT install on a one-piece door if using devices or features providing
unattended close. Unattended devices and features are to be used ONLY with
sectional doors.
16. SAVE THESE INSTRUCTIONS.
30
Operation
LIGHTS
Features
The garage door opener light bulbs will turn on when the opener is initially plugged in;
power is restored after interruption, or when the garage door opener is activated. The
lights will turn off automatically after 4-1/2 minutes. An incandescent A19 light bulb
(100 watt maximum) or for maximum energy efficiency a 26W (100W equivalent)
compact fluorescent light (CFL) bulb may be used.
Light Feature
The garage door opener is equipped with an added feature; the lights will turn on when
someone enters through the open garage door and the safety reversing sensor infrared
beam is broken. For added control over the light bulbs on your garage door opener, see
page 34.
Your garage door opener is equipped with features to provide you with greater control
over your garage door operation.
Alert2Close
The Alert2Close feature provides a visual and an audible alert that an unattended door is
closing.
TIMER-TO-CLOSE (TTC)
The TTC feature automatically closes the door after a specified time period that can be
adjusted using a TTC enabled door control (Models 881LMW or 880LMW). Prior to and
during the door closing the garage door opener lights will flash and the garage door
opener will beep.
USING YOUR GARAGE DOOR OPENER
MyQ®
The garage door opener can be activated through a wall-mounted door control, remote
control, wireless keyless entry or MyQ® accessory. When the door is closed and the
garage door opener is activated the door will open. If the door senses an obstruction or
is interrupted while opening the door will stop. When the door is in any position other
than closed and the garage door opener is activated the door will close. If the garage
door opener senses an obstruction while closing, the door will reverse. If the obstruction
interrupts the sensor beam the garage door opener lights will blink 10 times. However,
you can close the door if you hold the button on the door control or keyless entry until
the door is fully closed. The safety reversing sensors do not affect the opening cycle.
The safety reversing sensor must be connected and aligned correctly before the garage
door opener will move in the down direction.
MyQ allows you to control your garage door opener from your mobile device or computer
from anywhere. MyQ technology uses a 900Mhz signal to provide two way
communication between the garage door opener and MyQ enabled accessories.
The garage door opener has an internal gateway that allows the garage door opener to
communicate directly with a home Wi-Fi® network and access your MyQ account.
THE PROTECTOR SYSTEM® (SAFETY REVERSING SENSORS)
When properly connected and aligned, the safety reversing sensors will detect an
obstruction in the path of the infrared beam. If an obstruction breaks the infrared beam
while the door is closing, the door will stop and reverse to full open position, and the
opener lights will flash 10 times. If the door is fully open, and the safety reversing
sensors are not installed, or are misaligned, the door will not close from a remote control.
However, you can close the door if you hold the button on the door control or keyless
entry until the door is fully closed. The safety reversing sensors do not affect the
opening cycle. For more information see page 19.
BATTERY BACKUP*
The battery backup system allows access in and out of your garage, even when the
power is out. When the garage door opener is operating on battery power, the garage
door opener will run slower, the light will not function, the Battery Status LED will glow
solid orange, and a beep will sound approximately every 2 seconds.
ENERGY CONSERVATION
For energy efficiency the garage door opener will enter sleep mode when the door is fully
closed. The sleep mode shuts the garage door opener down until activated. The sleep
mode is sequenced with the garage door opener light bulb; as the light bulb turns off the
sensor LEDs will turn off and whenever the garage door opener lights turn on the sensor
LEDs will light. The garage door opener will not go into the sleep mode until the garage
door opener has completed 5 cycles upon power up.
AUTOMATIC GARAGE DOOR LOCK*
Garage door opener models featuring the Security Shield are compatible with the
LiftMaster Automatic Garage Door Lock (Model 841LM). See Accessories,
page 40.
* If applicable.
31
Operation
Connect With Your Smartphone
Learn
Button
The Wi-Fi® Garage Door Opener is compatible with up to 16 MyQ enabled accssories. Up
to 10 devices can be paired to the Wi-Fi garage door opener’s internal gateway. These
devices can be controlled with the MyQ app. These devices include any combination of
MyQ garage door openers, Wi-Fi garage door openers, MyQ light controls, MyQ gate
operators or MyQ commercial door operators. A LiftMaster Internet Gateway (828LM) can
be added if you need to control more than 10 devices using the MyQ app. Up to 6
devices can be paired to garage door opener itself (controlled by garage door opener
through 900MHz). These devices include any combination of MyQ light controls or a
garage door and gate monitor.
LED
An LED on the garage door
opener will indicate Wi-Fi
status. See table below.
You will need:
Navigation
Buttons
Wi-Fi enabled smartphone, tablet or laptop
Broadband Internet Connection
Wi-Fi signal in the garage (2.4 Ghz, 802.11b/g/n required), see page 4
Password for your home network (router's main account, not guest network)
MyQ® serial number located on the garage door opener
Connect Your Garage Door Opener to Your Home Wi-Fi Network
1. Use the Smart Control Panel®, go to Menu > Program > Wi-Fi Setup OR press and
release the yellow LEARN button on the garage door opener 3 times. The garage
door opener will beep once. You have 20 minutes to complete the connection
process.
2. On your mobile device, go to Settings > Wi-Fi and select the network with the
“MyQ-” prefix.
3. Launch the web browser on your smartphone or tablet. Enter
setup.myqdevice.com into the browser address bar. Follow the on screen
prompts to connect the garage door opener to your Wi-Fi network. The MyQ
serial number will display on screen.
Write the serial number in the space below.
LED
Definition
Blue
Off - Wi-Fi is not turned on.
Blinking - Garage door opener is in Wi-Fi learn mode.
Solid - Mobile device connected to the garage door opener.
Blue and Green
Blinking - Attempting to connect to router.
Green
Blinking - Attempting to connect to the Internet server.
Solid - Wi-Fi has been set up and garage door opener is
connected to the internet.
NOTES:
The MyQ® Smartphone Control WILL NOT work if the garage door opener is operating
on battery power.
To erase the Wi-Fi settings, see page 35.
4. Download the MyQ app from the App Store® or Google Play™ store. Sign up for
your MyQ account and add the MyQ serial number to your account.
To add a second Wi-Fi garage door opener, repeat steps 1-3. Add the second MyQ serial
number to your account in the MyQ app.
If you need help adding devices to your MyQ account, or to learn more go to
WiFiHelp.LiftMaster.com.
32
Operation
Using the Door Control
The following features are accessible through the screen using the navigation
buttons:
SYNCHRONIZE THE DOOR CONTROL
LEARN A DEVICE
To synchronize the door control to the garage door opener, press the push bar until
the garage door opener activates (it may take up to 3 presses). Test the door control by
pressing the push bar, each press of the push bar will activate the garage door opener.
Any compatible remote controls, wireless keyless entry, Wi-Fi garage door openers, or
MyQ® accessories can be programmed to the garage door opener by accessing the menu
and using the navigation buttons.
LOCK
Up to 2 Smart Control Panels® or 4 of any other Security+ 2.0® door controls can be
connected to the garage door opener.
The LOCK feature is designed to prevent activation of the garage door opener from
remote controls while still allowing activation from the door control and keyless entry.
This feature is useful for added peace of mind when the home is empty (i.e. vacation).
Screen
Push Bar
TIMER-TO-CLOSE (TTC)
DO NOT enable TTC if operating a one-piece door. TTC is to be used ONLY with sectional
doors. Factory default is set to off. TTC can be set to automatically close your garage
door from the fully open position after a specified period of time (1, 5, 10 minute
intervals or a custom setting up to 99 minutes). The garage door opener will Beep and
the lights will Flash before closing the door. The screen on the door control can display
the status of the TTC. TTC WILL NOT work if the garage door opener is operating by
battery power or if the safety reversing sensors are misaligned. This feature is NOT
intended to be the primary method of closing the door. A keyless entry should be
installed in the event of an accidental lock out when using this feature.
Before enabling the TTC for the first time, or if you experience a power outage, cycle the
garage door opener open and closed to allow the TTC to set.
Navigation
Buttons
LIGHT
button
Motion
Sensor
PUSH BAR
Press the push bar to open or close the door.
NAVIGATION BUTTONS
Use the navigation buttons to make selections and program features.
LIGHT BUTTON
Press the LIGHT button to turn the garage door opener lights on or off. When the lights
are turned on they will stay on until the LIGHT button is pressed again, or until the
garage door opener is activated. Once the garage door opener is activated the lights will
turn off after the specified period of time (the factory setting is 4-1/2 minutes). The
LIGHT button will not control the lights when the door is in motion.
AUTOMATIC LIGHT
Motion Sensor
Factory default is set to on. This feature automatically turns on the garage door opener
lights when motion is sensed. The lights will come on for the set period of time, then
shut off. If using the garage door opener light as a work light disable the motion sensor,
otherwise the light will turn off automatically if you are beyond the range of the sensor.
Light Feature
The lights will turn on when someone enters through the open garage door and the
safety reversing sensor infrared beam is broken.
SCREEN
The screen will display the time and temperature until the menu button is pressed, and
then it will display the menu options. If there is a problem with the garage door opener
the screen will display the Diagnostic Code. Refer to the Troubleshooting section.
MAINTENANCE ALERT (MAS)
This feature assists the homeowner in ensuring the garage door opener system stays in
good working condition. When the garage door opener needs to be serviced
(approximately 4500 garage door opener cycles) the command (yellow) and service (red)
LEDs will begin to alternately flash back and forth. The factory setting for the MAS
feature is off and can be activated at time of installation. Contact your installing dealer
for service.
33
Operation
SETTINGS
Using the Door Control
Press the navigation button below the down arrow till you see TEMPERATURE to view
the Settings menu.
Setup
The features on the door control can be programmed through a series of menus on the
screen and the navigation buttons. Refer to the descriptions below.
Display the temperature in Fahrenheit or Celsius and
show/hide the temperature.
Select a language.
Set duration for garage door opener light to stay on after
operation, selectable range of 1-1/2 to 4-1/2 minutes. Turn the
Motion sensor off/on, and turn the entry light feature off/on.
SCREEN
The main screen displays the time, temperature, and current battery charge (if applicable)
Adjust the contrast of the screen.
SERVICE
Press and hold the LIGHT button, then press the second navigation button to view the
Service menu.
Displays software version information.
Turn the Maintenance Alert (MAS) on/off.
Displays the number of remote controls, MyQ® devices,
door controls and keyless entries currently programmed
to operate the garage door opener.
Displays any errors that have occurred.
Navigation Buttons
FEATURES
Press the navigation button below "MENU" to view the Features menu.
To program a remote control or keyless entry to the garage door opener using the door
control, see page 35.
Set the time, choose 12 or 24 hour clock and show/hide clock.
For sectional doors ONLY. Set the Timer-to-Close feature off/on
and set the time interval before door closes. NOTE: DO NOT
enable TTC if operating a one-piece door. TTC is to be used
ONLY with sectional doors.
Enable/disable lock.
Set up Wi-Fi*, add remote controls, MyQ® devices, an extra
remote button to control your garage door opener lights, or a
keyless entry.
* The garage door opener must run through a complete cycle
before it will activate Wi-Fi® programming. For help related
to Wi-Fi, visit WiFiHelp.LiftMaster.com.
34
Operation
TO ADD, REPROGRAM, OR CHANGE A REMOTE CONTROL USING THE LEARN
BUTTON
Remote Control
Your remote control has been programmed at the factory to operate with your
garage door opener.
Up to 40 Security+ 2.0® remote controls can be programmed to the garage door opener.
Older LiftMaster remote controls are NOT compatible, see page 40 for compatible
accessories. To program additional accessories refer to the instructions provided with
the accessory or visit LiftMaster.com. If your vehicle is equipped with a Homelink®, you
may require an external adapter depending on the make, model, and year of your vehicle.
Visit www.homelink.com for additional information.
1. Press and release the LEARN Button on the garage door opener.
2. Press and hold the button on the remote control that you wish to use. Release
the button when the garage door opener lights blink or two clicks are heard.
”
“click
”
“click
LEARN
Button
LEARN LED
TO ADD, REPROGRAM, OR CHANGE A REMOTE CONTROL/KEYLESS ENTRY PIN
USING THE DOOR CONTROL
1.
2.
3.
4.
Press the navigation button below "MENU" to view the Features menu.
Use the navigation buttons to scroll to "PROGRAM".
Select "REMOTE" or "KEYPAD" to program from the program menu.
Remote Control: Press the button on the remote control that you wish to operate
your garage door.
Keyless Entry: Enter a 4-digit personal identification number (PIN) of your choice
on the keyless entry keypad. Then press the ENTER button.
The garage door opener lights will flash (or two clicks will be heard) when the code has
been programmed. Repeat the steps above for programming additional remote controls
or keyless entry devices. If programming is unsuccessful, program the remote using the
learn button.
Press
3 Press
to continue.
To Erase the Memory
ERASE ALL REMOTE CONTROLS AND KEYLESS ENTRIES
1. Press and hold the LEARN button on garage door opener until the learn LED goes
out (approximately 6 seconds). All remote control and keyless entry codes are
now erased. Reprogram any accessory you wish to use.
ERASE ALL DEVICES (Including MyQ® enabled accessories)
1. Press and hold the LEARN button on garage door opener until the learn LED goes
out (approximately 6 seconds).
2. Immediately press and hold the LEARN button again until the learn LED goes out.
All codes are now erased. Reprogram any accessory you wish to use.
to continue.
ERASE THE Wi-Fi NETWORK FROM THE GARAGE DOOR OPENER
1. Press and hold the black adjustment button on the garage door opener until 3
beeps are heard (Approximately 6 seconds).
ERASE A MyQ® ACCOUNT
Go to myLiftMaster.com to delete your MyQ account.
OR
LEARN Button
PIN
Adjustment Button
35
Operation
To Open the Door Manually
To Manually Disengage Automatic Garage Door Lock
(Model 841LM)*
MANUAL OPERATION
1. The door should be fully closed if possible.
2. Disengage the automatic garage door lock by sliding the manual release to the
open position.
3. Pull the emergency release handle down and back (toward the garage door
opener). The garage door can then be raised and lowered manually as necessary.
4. To reconnect the trolley, pull the emergency release handle straight down. The
trolley will reconnect on the next UP or DOWN operation.
NOTE: The automatic garage door lock will re-engage when garage door opener
operation resumes.
To prevent possible SERIOUS INJURY or DEATH from a falling garage door:
If possible, use emergency release handle to disengage trolley ONLY when
garage door is CLOSED. Weak or broken springs or unbalanced door could
result in an open door falling rapidly and/or unexpectedly.
NEVER use emergency release handle unless garage doorway is clear of
persons and obstructions.
NEVER use handle to pull door open or closed. If rope knot becomes untied,
you could fall.
NOTE: Disengage any door locks before proceeding.
DISCONNECT THE TROLLEY
1. The door should be fully closed if possible.
2. Pull down on the emergency release handle.
RECONNECT THE TROLLEY
The lockout feature prevents the trolley from reconnecting automatically.
1. Pull the emergency release handle down and back (toward the opener). The door
can then be raised and lowered manually as often as necessary.
2. To disengage the lockout feature, pull the handle straight down. The trolley will
reconnect on the next UP or DOWN operation, either manually or by using the
door control or remote control.
NO
TIC
Manual
release
* If applicable.
NOTICE
36
Maintenance
Maintenance Schedule
The Remote Control Battery
EVERY MONTH
Manually operate door. If it is unbalanced or binding, call a trained door systems
technician.
Check to be sure door opens and closes fully. Adjust if necessary, see page 26.
Test the safety reversal system. Adjust if necessary, see page 27.
To prevent possible SERIOUS INJURY or DEATH:
NEVER allow small children near batteries.
If battery is swallowed, immediately notify doctor.
To reduce risk of fire, explosion or chemical burn:
Replace ONLY with 3V CR2032 coin batteries.
DO NOT recharge, disassemble, heat above 212°F (100°C) or incinerate.
EVERY YEAR
Oil door rollers, bearings and hinges. The garage door opener does not require
additional lubrication. Do not grease the door tracks.
Test the battery and consider replacing the battery to ensure the garage door
opener will operate during an electrical power outage, see page 28 to test the
battery backup.
To replace the battery, pry open the case in the
middle, then at each side with the visor clip. Insert
replacement battery positive side up (+). Replace
the batteries with only 3V CR2032 coin cell
batteries. Dispose of old batteries properly.
EVERY TWO TO THREE YEARS
Use a rag to wipe away the existing grease from the garage door opener rail.
Reapply a small layer of white lithium grease to the top and underside of the rail
surface where the trolley slides.
NOTICE: To comply with FCC and/or Industry Canada (IC) rules, adjustment or modifications of this transceiver are prohibited. THERE ARE NO
USER SERVICEABLE PARTS.
This device complies with Part 15 of the FCC rules and IC RSS-210. Operation is subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired
operation.
This Class B digital apparatus complies with Canadian ICES-003.
AVIS: Les règles de la FCC et/ou d’Industrie Canada (IC) interdisent tout ajustement ou toute modification de ce récepteur. IL N’EXISTE AUCUNE
PIÈCE SUSCEPTIBLE D’ÊTRE ENTRETENUE PAR L’UTILISATEUR.
Cet appareil est conforme aux dispositions de la partie 15 du règlement de la FCC et de l'norme IC RSS-210. Son utilisation est assujettie aux
deux conditoins suivantes: (1) ce dispositif ne peut causer des interférences nuisibles, et (2) ce dispositif doit accepter toute interférence
recue, y compris une interférence pouvant causer un fonctionnement non souhaité.
Cet appareil numerique de la classe B est conforme a la norme NMB-003 du Canada.
This Device must be installed to ensure a minimum
20cm distance is maintained between users/bystanders
and device.
37
Troubleshooting
Diagnostic Chart
Your garage door opener is programmed with self-diagnostic capabilities. The UP and DOWN arrows on the garage door opener flash the diagnostic codes.
DIAGNOSTIC CODE
SYMPTOM
SOLUTION
Up Arrow
Flash(es)
Down Arrow
Flash(es)
The garage door opener will not close and the light
bulbs flash.
Safety reversing sensors are not installed, connected, or wires may be cut. Inspect sensor
wires for a disconnected or cut wire.
The garage door opener will not close and the light
bulbs flash.
There is a short or reversed wire for the safety reversing sensors. Inspect safety sensor
wire at all staple and connection points, replace wire or correct as needed.
The door control will not function.
The wires for the door control are shorted or the door control is faulty. Inspect door
control wires at all staple and connection points, replace wire or correct as needed.
The garage door opener will not close and the light
bulbs flash.
Safety reversing sensors are misaligned or were momentarily obstructed. Realign both
sensors to ensure both LEDs are steady and not flickering. Make sure nothing is hanging
or mounted on the door that would interrupt the sensor’s path while closing.
Door moves 6-8" (15-20 cm) stops or reverses.
Manually open and close the door. Check for binding or obstructions, such as a broken
spring or door lock, correct as needed. Check wiring connections at travel module and at
the logic board. Replace travel module if necessary.
No movement, only a single click.
Manually open and close the door. Check for binding or obstructions, such as a broken
spring or door lock, correct as needed. Replace logic board if necessary.
Opener hums for 1-2 seconds no movement.
Manually open and close the door. Check for binding or obstructions, such as a broken
spring or door lock, correct as needed. Replace motor if necessary.
Door coasts after it has come to a complete stop.
Program travel to coasting position or have door balanced by a trained door systems
technician.
No movement, or sound.
Replace logic board.
1-5
Unable to set the travel or retain position.
Check travel module for proper assembly, replace if necessary.
The battery status LED is constantly flashing green.
Battery backup* charging circuit error, replace the logic board. * (If applicable.)
38
Troubleshooting
DIAGNOSTIC CODE
SYMPTOM
SOLUTION
Door is moving stops or reverses.
Manually open and close the door. Check for binding or obstructions, such as a broken
spring or door lock, correct as needed. If the door is binding or sticking contact a trained
door systems technician. If door is not binding or sticking attempt to reprogram travel
(refer to page 26).
Up Arrow
Flash(es)
Down Arrow
Flash(es)
1-4
Opener runs approximately 6-8" (15-20 cm), stops
and reverses.
Communication error to travel module. Check travel module connections, replace travel
module if necessary.
The garage door opener will not close and the light
bulbs flash.
Safety reversing sensors are misaligned or were momentarily obstructed. Realign both
sensors to ensure both LEDs are steady and not flickering. Make sure nothing is hanging
or mounted on the door that would interrupt the sensor’s path while closing.
The garage door opener will NOT enter Wi-Fi LEARN mode:
After the initial installation of the garage door opener, the garage door opener
must complete a full cycle (open and closed) before the Wi-Fi LEARN mode can
be activated.
If there has been a recent power outage, the garage door opener must complete
a full cycle before the Wi-Fi LEARN mode can be activated.
See page 32 to activate Wi-Fi LEARN mode.
Cannot connect garage door opener to home Wi-Fi network:
Ensure the MyQ Serial number was entered correctly and try again. The MyQ
characters are between A-F and 0-9 only.
Weak Wi-Fi signal in the garage. Ensure the Wi-Fi signal is reaching the garage,
see page 4 or visit WiFiHelp.LiftMaster.com for more information.
My door will not close and the light bulbs blink on my motor unit:
The safety reversing sensor must be connected and aligned correctly before the garage
door opener will move in the down direction.
Verify the safety reversing sensors are properly installed, aligned and free of any
obstructions.
My garage door opener light(s) will not turn off when the door is open:
The garage door opener is equipped with a feature that turns the light on when the
safety reversing sensors have been obstructed or when the motion sensor on the door
control detects movement in the garage. This feature can be disabled using the door
control, see page 34.
My neighbor’s remote control opens my garage door:
Erase the memory from your garage door opener and reprogram the remote control(s).
My vehicle's Homelink® is not programming to my garage door opener:
Depending on the make, model, and year of your vehicle an external adapter may be
required. Visit www.homelink.com for additional information.
To troubleshoot the optional automatic garage door lock model 841LM, see the
instructions provided with it.
39
Accessories
823LM
Remote Light Switch:
829LM
Remote Light Control:
877MAX
Automatically control your
lights using your garage door
opener, a Security+ 2.0®
remote control or a LiftMaster®
Internet Gateway. Plugs into
any interior outlet.
975LM
Laser Garage Parking Assist:
Laser enables homeowners to
precisely park vehicles in the
garage.
893MAX
Monitor open/closed status
for up to 4 MyQ® compatible
garage door openers or gate
operators and close them
from anywhere in the home.
Automatically control your
lights using your garage door
opener, a Security+ 2.0®
remote control or a LiftMaster®
Internet Gateway. Simply
replaces your current wired
wall switch.
825LM
Garage and Gate Monitor:
MAX Wireless Keyless Entry:
880LMW
374UT
Mini Universal Remote
Control:
881LMW
The Mini Universal Remote
Control can be programmed
to activate up to two
products, such as a garage
door opener, MyQ® light
controls, gate operator, or
commercial door operator.
Automatic Garage Door Lock: 892LT/
894LT
Compatible with
Security Shield garage door
openers. Provides added
security by automatically
locking garage door travel at
the garage door track.
40
2 & 4 Button Learning
Remote Controls:
Compatible with LiftMaster®
garage door openers
manufactured since 1997.
Also compatible with
Encrypted DIP for gate
applications.
Smart Control Panel®:
Displays temperature, time
and system diagnostics;
includes a push bar to open
and close the door and a lock
feature for extra security.
Security+ 2.0® and Wi-Fi®
compatible.
Compatible with LiftMaster®
garage door openers
manufactured since 1993.
Includes visor clip.
For use outside of the home
to enable access to the garage
using a 4-digit PIN. Works
with ALL LiftMaster® openers
from 1993- present.
841LM
3-Button MAX Remote
Control:
Motion Detecting
Control Panel with
Timer-to-Close Control:
Multi-function door control
with motion sensor that
automatically turns opener
lights on when it detects a
person entering the garage.
Security+ 2.0® and Wi-Fi®
compatible.
886LMW
Motion Detecting
Control Panel:
Multi-function door control
with motion sensor that
automatically turns opener
lights on when it detects a
person entering the garage.
Security+ 2.0® and Wi-Fi®
compatible.
Warranty
LIFTMASTER® LIMITED WARRANTY
LiftMaster® (“Seller”) warrants to the first retail purchaser of this product, for the residence in which this product is originally installed, that it is free from defects in materials and/or
workmanship for a specific period of time as defined below (the “Warranty Period”). The warranty period commences from the date of purchase.
WARRANTY PERIOD
Parts
5 years
Motor
Lifetime
Accessories
1 year
Belt
Lifetime
Battery Backup*
1 year
The proper operation of this product is dependent on your compliance with the instructions regarding installation, operation, and maintenance and testing. Failure to comply strictly
with those instructions will void this limited warranty in its entirety.
If, during the limited warranty period, this product appears to contain a defect covered by this limited warranty, call 1-800-528-9131, toll free, before dismantling this product. You
will be advised of disassembly and shipping instructions when you call. Then send the product or component, pre-paid and insured, as directed to our service center for warranty
repair. Please include a brief description of the problem and a dated proof-of-purchase receipt with any product returned for warranty repair. Products returned to Seller for warranty
repair, which upon receipt by Seller are confirmed to be defective and covered by this limited warranty, will be repaired or replaced (at Seller’s sole option) at no cost to you and
returned pre-paid. Defective parts will be repaired or replaced with new or factory-rebuilt parts at Seller’s sole option. [You are responsible for any costs incurred in removing and/or
reinstalling the product or any component].
ALL IMPLIED WARRANTIES FOR THE PRODUCT, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, ARE LIMITED IN DURATION TO THE APPLICABLE LIMITED WARRANTY PERIOD SET FORTH ABOVE FOR THE RELATED COMPONENT(S), AND NO IMPLIED
WARRANTIES WILL EXIST OR APPLY AFTER SUCH PERIOD. Some States and Provinces do not allow limitations on how long an implied warranty lasts, so the above
limitation may not apply to you. THIS LIMITED WARRANTY DOES NOT COVER NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE
(INCLUDING, BUT NOT LIMITED TO ABUSE, MISUSE, FAILURE TO PROVIDE REASONABLE AND NECESSARY MAINTENANCE, UNAUTHORIZED REPAIRS OR ANY ALTERATIONS
TO THIS PRODUCT), LABOR CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF CONSUMABLE ITEMS (E.G., BATTERIES IN REMOTE CONTROL
TRANSMITTERS AND LIGHT BULBS), OR UNITS INSTALLED FOR NON-RESIDENTIAL USE. THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING
TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. THIS
LIMITED WARRANTY ALSO DOES NOT COVER ANY PROBLEMS CAUSED BY INTERFERENCE. UNDER NO CIRCUMSTANCES SHALL SELLER BE LIABLE FOR CONSEQUENTIAL,
INCIDENTAL OR SPECIAL DAMAGES ARISING IN CONNECTION WITH USE, OR INABILITY TO USE, THIS PRODUCT. IN NO EVENT SHALL SELLER’S LIABILITY FOR BREACH OF
WARRANTY, BREACH OF CONTRACT, NEGLIGENCE OR STRICT LIABILITY EXCEED THE COST OF THE PRODUCT COVERED HEREBY. NO PERSON IS AUTHORIZED TO ASSUME
FOR US ANY OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT.
Some states and provinces do not allow the exclusion or limitation of consequential, incidental or special damages, so the above limitation or exclusion may not apply to you. This
limited warranty gives you specific legal rights, and you may also have other rights, which vary from state to state and province to province.
* If applicable.
41
Repair Parts
Rail Assembly Parts
Installation Parts
Description
Part Number
Belt - for 7 foot door
41A5434-11
Belt - for 8 foot door
41A5434-13
Belt - for 10 foot door
41A5434-14
Belt Pulley Bracket
Master Link
4A1008
One-Piece Rail
7 feet (2.1 m)
2777BD
One-Piece Rail
8 feet (2.4 m)
2778BD
One-Piece Rail
10 feet (3 m)
2770BD
Trolley Assembly
Tensioner Assembly
Trolley Threaded Shaft
41B5424
Description
Curved Door Arm
Door Bracket with Clevis Pin and
Fastener
Emergency Release Rope and
Handle
Header Bracket with Clevis Pin
and Fastener
Remote Control Visor Clip
Safety Sensor Bracket
Safety Sensor Kit with receiving
and sending sensors with 3 feet
(.9 m) 2-conductor wire
41B3869-3A
41B4103
109B48
Straight Door Arm
White and Red/White Wire
10
3V CR2032 Lithium Battery
Part Number
178B35
42
41A5047-1
41A2828
41A4353-1
29C151
41A5266-1
041A5034
178B34
41B4494-1
10A20
Not Shown
User’s Guide
114A5013
10
Repair Parts
Models 8550W and 8550WL
Garage Door Opener Parts
Description
11
10
43
041C589-2
End Panel with battery cover and light socket
041A7618
Light Lens
041A7562
Light Socket
041C0279
Transformer
041D0277-1
Cover
8550W
8550WL
041D8257
041D8859
Motor with Travel Module
041D8006-1
Travel Module
041D8071-4
End Panel and light socket
8550W
8550WL
041D8198
041D0216-2
10
11
Sprocket and Sprocket Cover with Screws
Part Number
Receiver Logic Board
8550W
8550WL
Backup Battery
050DCTWF
050DCTWFLK
485LM
Repair Parts
Model 8557W
Garage Door Opener Parts
10
11
12
13
12
13
DESCRIPTION
Part Number
Cover with screws
Gear and sprocket
Drive and Worm Gear
End panel
Light Socket
Light Lens
Capacitor
Gear Case
Motor with Travel Module
Travel Module
Cover
Logic Board
Logic Board End Panel
041A4371
041A4885-5
041A2817
041A7756-1
041C0279
041A7562
030B0652
041A5532
041A7667
041D7742-5
041D8258
050ACTWF
041D8198
10
Contact Information
Address repair parts order to:
LiftMaster
6050 S. Country Club Rd.
Tucson, AZ 85706
11
For installation and service
information call:
1-800-528-9131
Or visit us online at:
LiftMaster.com
or
myLiftMaster.com
Before calling, please have the model number of the garage door opener.
If you are calling about a troubleshooting issue, it is recommended that
you have access to your garage door opener while calling. If you are
ordering a repair part please have the following information: part number,
part name, and model number.
114A5017
Wi-Fi® is a registered trademark of Wi-Fi Alliance.
App Store is a service mark of Apple Inc.
Google Play is a trademark of Google Inc.
© 2017, LiftMaster
All Rights Reserved

---

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