8550W Owners Manual
Page 38
... travel module and at the logic board. The wires for 1-2 seconds no movement. Manually open and close the door. Battery backup charging circuit error, replace logic board. *(if applicable) 38 staple points and connection points and replace wire or correct as needed . 1 4 The garage door...The UP and DOWN arrows on the door that would interrupt the sensors path while closing. 1 5 Door moves 6-8" stops or reverses. DIAGNOSTIC CODE SYMPTOM SOLUTION Up Arrow Flash(es) Down Arrow Flash(es) 1 1 The garage door opener will not function. Check for the safety sensors. ...
... travel module and at the logic board. The wires for 1-2 seconds no movement. Manually open and close the door. Battery backup charging circuit error, replace logic board. *(if applicable) 38 staple points and connection points and replace wire or correct as needed . 1 4 The garage door...The UP and DOWN arrows on the door that would interrupt the sensors path while closing. 1 5 Door moves 6-8" stops or reverses. DIAGNOSTIC CODE SYMPTOM SOLUTION Up Arrow Flash(es) Down Arrow Flash(es) 1 1 The garage door opener will not function. Check for the safety sensors. ...
8550W Owners Manual
Page 39
...as needed. My remote control will NOT connect to my garage door opener: Depending on the make, model, and year of any obstructions. Communication error to -Close, garage door monitor or MyQ® Internet Gateway, see page 34. If door is equipped with a feature that would interrupt the ... 28. l If the remote control will still not activate the door check the diagnostic codes to my Wi-Fi network: The garage door opener can be replaced, see page 4 or visit WiFiHelp.LiftMaster.com for more information.The garage door opener will not close and the light Safety sensors...
...as needed. My remote control will NOT connect to my garage door opener: Depending on the make, model, and year of any obstructions. Communication error to -Close, garage door monitor or MyQ® Internet Gateway, see page 34. If door is equipped with a feature that would interrupt the ... 28. l If the remote control will still not activate the door check the diagnostic codes to my Wi-Fi network: The garage door opener can be replaced, see page 4 or visit WiFiHelp.LiftMaster.com for more information.The garage door opener will not close and the light Safety sensors...
