8550W Owners Manual
Page 38
.... 3 2 Unable to coasting position or have door balanced by a trained technician. 2 1-5 No movement or sound. Battery backup charging circuit error, replace logic board. *(if applicable) 38 Inspect safety sensor wire at the logic board. Manually open and close and the light Safety sensors are... misaligned or were momentarily obstructed. Replace logic board if necessary. Check travel module for bulbs flash. DIAGNOSTIC CODE SYMPTOM SOLUTION Up Arrow Flash(es) Down Arrow Flash(es) 1 1 The garage door opener will not close the door. Inspect ...
.... 3 2 Unable to coasting position or have door balanced by a trained technician. 2 1-5 No movement or sound. Battery backup charging circuit error, replace logic board. *(if applicable) 38 Inspect safety sensor wire at the logic board. Manually open and close and the light Safety sensors are... misaligned or were momentarily obstructed. Replace logic board if necessary. Check travel module for bulbs flash. DIAGNOSTIC CODE SYMPTOM SOLUTION Up Arrow Flash(es) Down Arrow Flash(es) 1 1 The garage door opener will not close the door. Inspect ...
8550W Owners Manual
Page 39
... stops and or reverses. Opener runs approximately 6-8", stops and reverses. l Reprogram the remote control. Troubleshooting DIAGNOSTIC CODE Up Arrow Flash Down Arrow (es) Flash(es) 4 1-4 4 5 4 6 SYMPTOM SOLUTION Door is not... your vehicle an external adapter may be replaced, see page 4 or visit WiFiHelp.LiftMaster.com for more information.The garage door opener will not turn off when the door...the 12 Vdc battery needs to my garage door opener: Depending on the door control. Communication error to activate Wi-Fi LEARN mode. l If there has been a recent power outage, the...
... stops and or reverses. Opener runs approximately 6-8", stops and reverses. l Reprogram the remote control. Troubleshooting DIAGNOSTIC CODE Up Arrow Flash Down Arrow (es) Flash(es) 4 1-4 4 5 4 6 SYMPTOM SOLUTION Door is not... your vehicle an external adapter may be replaced, see page 4 or visit WiFiHelp.LiftMaster.com for more information.The garage door opener will not turn off when the door...the 12 Vdc battery needs to my garage door opener: Depending on the door control. Communication error to activate Wi-Fi LEARN mode. l If there has been a recent power outage, the...