8550 Manual
Page 26
... terminals on the battery. 1.5 Verify the battery wires are seated in the channel and replace the battery cover. 1.6 Plug in the garage door opener. 1.7 Wait for the green Battery Status LED to start flashing before proceeding to persons: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Use ONLY LiftMaster part # 485LM...
... terminals on the battery. 1.5 Verify the battery wires are seated in the channel and replace the battery cover. 1.6 Plug in the garage door opener. 1.7 Wait for the green Battery Status LED to start flashing before proceeding to persons: • Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance. • Use ONLY LiftMaster part # 485LM...
8550 Manual
Page 27
...an electrical power outage. The battery will not turn on battery power. • A flashing orange LED with beep, sounding every 30 seconds, indicates the battery is low. NOTE: Door operation may be limited until the battery is unplugged for replacement battery to allow your system to ...extended period of normal operation during a power outage. Battery Backup BATTERY STATUS LED NOTE: The Battery Status LED is being charged. After the electrical power has been restored, the battery will take 24 hours to be replaced. Battery Status LED GREEN LED: All systems are normal. ...
...an electrical power outage. The battery will not turn on battery power. • A flashing orange LED with beep, sounding every 30 seconds, indicates the battery is low. NOTE: Door operation may be limited until the battery is unplugged for replacement battery to allow your system to ...extended period of normal operation during a power outage. Battery Backup BATTERY STATUS LED NOTE: The Battery Status LED is being charged. After the electrical power has been restored, the battery will take 24 hours to be replaced. Battery Status LED GREEN LED: All systems are normal. ...
8550 Manual
Page 34
... a small layer of white lithium grease to the top and underside of fire, explosion or chemical burn: • Replace ONLY with only 3V2016 coin cell batteries. Operation is subject to ensure the garage door opener will reconnect on the emergency release handle. To reduce risk of ...and open or closed if possible. 2 Pull down . Tested to Comply with FCC Standards for removal. Repeat the safety reverse test. Insert replacement batteries positive side up (+). The door can then be raised and lowered manually as often as necessary. 2 To disengage the lockout feature, pull the...
... a small layer of white lithium grease to the top and underside of fire, explosion or chemical burn: • Replace ONLY with only 3V2016 coin cell batteries. Operation is subject to ensure the garage door opener will reconnect on the emergency release handle. To reduce risk of ...and open or closed if possible. 2 Pull down . Tested to Comply with FCC Standards for removal. Repeat the safety reverse test. Insert replacement batteries positive side up (+). The door can then be raised and lowered manually as often as necessary. 2 To disengage the lockout feature, pull the...
8550 Manual
Page 36
... garage door opener light(s) will not turn off when the door is open: The garage door opener is constantly flashing green Battery LED flashing Replace the logic board. Troubleshooting DIAGNOSTIC UP CODE ARROW DOWN ARROW SYMPTOM CAUSE RESOLUTION 3-3 3 FLASHES 3 FLASHES The garage door opener... is idle and the battery LED is equipped with a feature that will still not activate the door check the diagnostic codes to...
... garage door opener light(s) will not turn off when the door is open: The garage door opener is constantly flashing green Battery LED flashing Replace the logic board. Troubleshooting DIAGNOSTIC UP CODE ARROW DOWN ARROW SYMPTOM CAUSE RESOLUTION 3-3 3 FLASHES 3 FLASHES The garage door opener... is idle and the battery LED is equipped with a feature that will still not activate the door check the diagnostic codes to...
8550 Manual
Page 39
...4 MyQ™ compatible garage door openers and close them from anywhere in the home. Works with LiftMaster® garage door openers manufactured since 1993. Includes battery. Garage Door Monitor: 895MAX Monitor open and close the door and a lock feature for up to.... Remote Light Control: 877MAX Automatically control your lights using a 4-digit PIN. Sensor can be easily deactivated when desired. Simply replaces your current wired wall switch. SECURITY+®2.0 Motion Detecting Control Panel: Multi-function door control with motion sensor that automatically turns...
...4 MyQ™ compatible garage door openers and close them from anywhere in the home. Works with LiftMaster® garage door openers manufactured since 1993. Includes battery. Garage Door Monitor: 895MAX Monitor open and close the door and a lock feature for up to.... Remote Light Control: 877MAX Automatically control your lights using a 4-digit PIN. Sensor can be easily deactivated when desired. Simply replaces your current wired wall switch. SECURITY+®2.0 Motion Detecting Control Panel: Multi-function door control with motion sensor that automatically turns...
8550 Manual
Page 40
... OR ANY ALTERATIONS TO THIS PRODUCT), LABOR CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF BATTERIES IN REMOTE CONTROL TRANSMITTERS AND LIGHT BULBS OR UNITS INSTALLED FOR NONRESIDENTIAL USE. Some... states do not allow limitations on your compliance with any product returned for warranty repair. Warranty LIFTMASTER FIVE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY ONE YEAR LIMITED WARRANTY FOR EVERCHARGE® STANDBY POWER BATTERY...
... OR ANY ALTERATIONS TO THIS PRODUCT), LABOR CHARGES FOR REINSTALLING A REPAIRED OR REPLACED UNIT, REPLACEMENT OF BATTERIES IN REMOTE CONTROL TRANSMITTERS AND LIGHT BULBS OR UNITS INSTALLED FOR NONRESIDENTIAL USE. Some... states do not allow limitations on your compliance with any product returned for warranty repair. Warranty LIFTMASTER FIVE YEAR LIMITED WARRANTY LIFETIME MOTOR AND BELT LIMITED WARRANTY ONE YEAR LIMITED WARRANTY FOR EVERCHARGE® STANDBY POWER BATTERY...