myLiftMaster Wi-Fi Garage Door Opener User Manual
Adjustments
Program the Travel
WarningWithout 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 2×4 laid flat) on floor.
While programming, the UP and DOWN buttons can be used to move the door as needed.
- Press and hold the Adjustment Button until the UP Button begins to flash and/or a beep is heard.
- Press and hold the UP Button until the door is in the desired UP position.
- Once the door is in the desired UP position press and release the AdjustmentButton. The garage door opener lights will flash twice and the DOWN Button will begin to flash.
- Press and hold the DOWN button until the door is in the desired DOWN position.
- 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.
- Press and release the UP Button. When the door travels to the programmed UP position, the DOWN Button will begin to flash.
- 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 . 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.
Test the Safety Reversal System
WarningWithout a properly installed safety reversal system, persons (particularly smallchildren) 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 2×4 laid flat) on the floor.
- With the door fully open, place a 1-1/2 inch (3.8 cm) board (or a 2×4 laid flat) on the floor, centered under the garage door.
- 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.
Test the Protector System®
WarningWithout a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
- Open the door. Place the garage door opener carton in the path of the door.
- 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.
Battery Backup
Install the Battery*
Warning
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.
Caution
ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment.
- Unplug the garage door opener.
- 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.
- Partially insert the battery into the battery compartment with the terminals facing out.
- Connect red (+) and black (-) wires from the garage door opener to the corresponding terminals on the battery.
- Replace the battery cover.
- Plug in the garage door opener.
- Wait for the green Battery Status LED to start flashing before proceeding to test the battery.
Test the Battery
- 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.
- 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.
- Plug in the garage door opener. Verify the battery status LED is flashing green, indicating the battery is charging.
Charge the Battery
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.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
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.
Operation
IMPORTANT SAFETY INSTRUCTIONS
Warning
To reduce the risk of SEVERE INJURY or DEATH:
- READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.
- 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.
- ONLY activate garage door when it can be seen clearly, it is properly adjusted, and there are no obstructions to door travel.
- 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.
- NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPENED DOOR.
- 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.
- NEVER use emergency release handle unless garage doorway is clear of persons and obstructions.
- NEVER use handle to pull garage door open or closed. If rope knot becomes untied, you could fall.
- After ANY adjustments are made, the safety reversal system MUST be tested.
- 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 2×4 laid flat) on the floor. Failure to adjust the garage door opener properly increases the risk of SEVERE INJURY or DEATH.
- ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED. An improperly balanced door may NOT reverse when required and could result in SEVERE INJURY or DEATH.
- 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.
- To avoid SERIOUS PERSONAL INJURY or DEATH from electrocution, disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
- 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.
- 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.
- SAVE THESE INSTRUCTIONS
FeaturesYour garage door opener is equipped with features to provide you with greater control over your garage door operation.Alert2CloseThe 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.MyQ®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 anobstruction 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.ENERGY CONSERVATIONFor 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 upLIGHTSThe 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 FeatureThe 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.USING YOUR GARAGE DOOR OPENERThe 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.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.AUTOMATIC GARAGE DOOR LOCK*Garage door opener models featuring the Security Shield are compatible with theLiftMaster Automatic Garage Door Lock (Model 841LM). See Accessories.
Connect With Your Smartphone
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
You will need
- Wi-Fi enabled smartphone, tablet or laptop
- Broadband Internet Connection
- Wi-Fi signal in the garage (2.4 Ghz, 802.11b/g/n required)
- 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
- 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.
- On your mobile device, go to Settings > Wi-Fi and select the network with the “MyQ-” prefix.
- 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.
- 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.
| 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,
If you need help adding devices to your MyQ account, or to learn more go to WiFiHelp.LiftMaster.com.
Using the Door Control
SYNCHRONIZE THE DOOR CONTROLTo 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.
Up to 2 Smart Control Panels® or 4 of any other Security+ 2.0® door controls can be connected to the garage door opener
PUSH BARPress the push bar to open or close the door.NAVIGATION BUTTONSUse the navigation buttons to make selections and program features.LIGHT BUTTONPress 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.SCREENThe 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.
The following features are accessible through the screen using the navigationbuttons:LEARN A DEVICEAny compatible remote controls, wireless keyless entry, Wi-Fi garage door openers, or mMyQ® accessories can be programmed to the garage door opener by accessing the menu and using the navigation buttons.
LOCKThe 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).
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.
AUTOMATIC LIGHTMotion SensorFactory 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 FeatureThe lights will turn on when someone enters through the open garage door and the safety reversing sensor infrared beam is broken.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
Using the Door Control
SetupThe 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.
SCREENThe main screen displays the time, temperature, and current battery charge (if applicable
FEATURESPress the navigation button below “MENU” to view the Features menu
SETTINGSPress the navigation button below the down arrow till you see TEMPERATURE to view the Settings menu.
SERVICEPress and hold the LIGHT button, then press the second navigation button to view the Service menu.
To program a remote control or keyless entry to the garage door opener using the door control.
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, 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.
TO ADD, REPROGRAM, OR CHANGE A REMOTE CONTROL/KEYLESS ENTRY PIN USING THE DOOR CONTROL
- 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.
TO ADD, REPROGRAM, OR CHANGE A REMOTE CONTROL USING THE LEARN BUTTON
- press and release the LEARN Button on the garage door opener.
- 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
To Erase the Memory
ERASE ALL REMOTE CONTROLS AND KEYLESS ENTRIES
- 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)
- Press and hold the LEARN button on garage door opener until the learn LED goes out (approximately 6 seconds).
- 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.
ERASE THE Wi-Fi NETWORK FROM THE GARAGE DOOR OPENERPress and hold the black adjustment button on the garage door opener until 3 beeps are heard (Approximately 6 seconds).
ERASE A MyQ® ACCOUNTGo to myLiftMaster.com to delete your MyQ account.
To Open the Door Manually
warning
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 couldresult 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
- The door should be fully closed if possible.
Pull down on the emergency release handle.RECONNECT THE TROLLEY
The lockout feature prevents the trolley from reconnecting automatically.
- Pull the emergency release handle down and back (toward the opener). The door can then be raised and lowered manually as often as necessary.
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
To Manually Disengage Automatic Garage Door Lock (Model 841LM)*
MANUAL OPERATION
- The door should be fully closed if possible.
- Disengage the automatic garage door lock by sliding the manual release to the open position.
- 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.
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
Maintenance
Maintenance Schedule
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,
- Test the safety reversal system. Adjust if necessary,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, to test the battery backup.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 slide
The Remote Control Battery
Warning
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.
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.
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 undesiredoperation. 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 AUCUNEPIÈCE 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.
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) | ||
| 1 | 1 | 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. |
| 1 | 2 | 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. |
| 1 | 3 | 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. |
| 1 | 4 | 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. |
| 1
|
5 | 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. | ||
| 1 | 6 | 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. |
| 2 | 1-5 | No movement, or sound. | Replace logic board. |
| 3 | 2 | Unable to set the travel or retain position. | Check travel module for proper assembly, replace if necessary. |
| 3 | 3 | The battery status LED is constantly flashing green. | Battery backup* charging circuit error, replace the logic board. * (If applicable.) |
| 4 | 1-4 | 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. |
| 4 | 5 | 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. |
| 4 | 6 | 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.
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 , 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.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.
Accessories
| 823LM | Remote Light Switch: |
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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 | Remote Light Control: |
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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: |
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Laser enables homeowners to precisely park vehicles in the garage. |
| 829LM | Garage and Gate Monitor: |
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Monitor open/closed status for up to 4 MyQ® compatible garage door openers or gate operators and close them from anywhere in the home. |
| 877MAX | MAX Wireless Keyless Entry: |
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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 | Automatic Garage Door Lock: |
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Compatible with Security Shield garage door openers. Provides added security by automatically locking garage door travel at the garage door track. |
| 893MAX | 3-Button MAX Remote Control: |
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Compatible with LiftMaster® garage door openers manufactured since 1993. Includes visor clip. |
| 374UT | Mini Universal Remote Control |
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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. |
| 892LT/ 894LT | 2 & 4 Button Learning Remote Controls: |
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Compatible with LiftMaster® garage door openers manufactured since 1997. Also compatible with Encrypted DIP for gate applications. |
| 880LMW | Smart Control Panel® |
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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. |
| 881LMW | Motion Detecting Control Panel with Timer-to-Close Control: |
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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: |
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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 WARRANTYLiftMaster® (“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.
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WARRANTY PERIOD |
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| Parts | Motor | Accessories | Belt | Battery Backup* |
| 5 years | Lifetime | 1 year | Lifetime | 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 warrantyrepair, 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 PARTICULARPURPOSE, 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 abovelimitation 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 CONTROLTRANSMITTERS 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.
Repair Parts
Rail Assembly 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 | 41B5424 |
| 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 | 41B3869-3A |
| Tensioner Assembly | 41B4103 |
| Trolley Threaded Shaft | 109B48 |
Installation Parts
| Description | Part Number |
| Curved Door Arm | 178B35 |
| Door Bracket with Clevis Pin and Fastener | 41A5047-1 |
| Emergency Release Rope and Handle | 41A2828 |
| Header Bracket with Clevis Pin and Fastener | 41A4353-1 |
| Remote Control Visor Clip | 29C151 |
| Safety Sensor Bracket | 41A5266-1 |
| Safety Sensor Kit with receiving and sending sensors with 3 feet (.9 m) 2-conductor wire | 041A5034 |
| Straight Door Arm | 178B34 |
| White and Red/White Wire | 41B4494-1 |
| 3V CR2032 Lithium Battery | 10A20 |
| Not Shown | |
| User’s Guide | 114A5013 |
Garage Door Opener Parts
Models 8550W and 8550WL
| Description | Part Number |
| Sprocket and Sprocket Cover with Screws | 041C589-2 |
| End Panel with battery cover and light socket | 041A7618 |
| Light Lens | 041A7562 |
| Light Socket | 041C0279 |
| Transformer | 041D0277-1 |
| Cover | |
| 8550W | 041D8257 |
| 8550WL | 041D8859 |
| Motor with Travel Module | 041D8006-1 |
| Travel Module | 041D8071-4 |
| End Panel and light socket | |
| 8550W | 041D8198 |
| 8550WL | 041D0216-2 |
| Receiver Logic Board | |
| 8550W | 050DCTWF |
| 8550WL | 050DCTWFLK |
| Backup Battery | 485LM |
Model 8557W
Garage Door Opener Parts
| DESCRIPTION | Part Number |
| Cover with screws | 041A4371 |
| Gear and sprocket | 041A4885-5 |
| Drive and Worm Gear | 041A2817 |
| End panel | 041A7756-1 |
| Light Socket | 041C0279 |
| Light Lens | 041A7562 |
| Capacitor | 030B0652 |
| Gear Case | 041A5532 |
| Motor with Travel Module | 041A7667 |
| Travel Module | 041D7742-5 |
| Cover | 041D8258 |
| Logic Board | 050ACTWF |
| Logic Board End Panel | 041D8198 |
Contact Information
Address repair parts order to: LiftMaster 6050 S. Country Club Rd. Tucson, AZ 85706For installation and service information call: 1-800-528-9131Or visit us online at: LiftMaster.com or myLiftMaster.comBefore 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.
myLiftMaster Wi-Fi Garage Door Opener User Manual – myLiftMaster Wi-Fi Garage Door Opener User Manual –
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