Garage Door Opener Error Codes
39 garage door opener codes across 2 brands. Find your code, see what it means, and how to fix it.
Chamberlain Garage Door Opener Codes
1-1 1-1 — Low voltage / wall control wire issue 1-2 1-2 — Wall control / safety wire shorted 1-3 1-3 — Door control wire issue / lock button stuck 1-4 1-4 — Safety sensors misaligned or obstructed 1-5 1-5 — Safety sensor wires reversed or shorted 1-6 1-6 — Safety sensor obstruction or wire fault 2-1 2-1 — Up force or up limit needs adjustment 3-1 3-1 — RPM sensor / motor not detected 3-2 3-2 — Motor overload / open circuit 3-3 3-3 — RPM sensor reading erratic 3-4 3-4 — Reversal during close not detected properly 3-5 3-5 — Travel module / encoder issue 4-1 4-1 — Down force needs adjustment or door obstructed 4-3 4-3 — Travel limits not set 4-4 4-4 — Manual disconnect engaged or door off trolley 4-6 4-6 — Logic board / interrupter fault 5-1 5-1 — myQ Wi-Fi not connected 5-3 5-3 — Wi-Fi credentials lost Door light flashes 10 times — Light flashes 10x on close (safety sensor) Steady Yellow Antenna LED Yellow Learn LED — Remote/keypad needs programming
LiftMaster Garage Door Opener Codes
1-1 1-1 — Safety sensor wire short or reversed 1-2 1-2 — Safety sensor wire shorted or reversed 1-3 1-3 — Door control or wire issue 1-4 1-4 — Safety sensors misaligned 1-5 1-5 — Motor overheated or stuck 1-6 1-6 — Logic board or motor relay failure 2-1 2-1 — Force setting too low 2-3 2-3 — Open and close limits not set 2-5 2-5 — Logic board internal fault 3-2 3-2 — Excessive number of cycles 3-5 3-5 — Wi-Fi or myQ network problem 4-1 4-1 — Door obstruction detected 4-3 4-3 — Position sensing problem (door speed) 4-4 4-4 — RPM sensor signal lost 4-6 4-6 — Door lock engaged or wall-mount cable tension fault 5-1 5-1 — High voltage or power supply fault 5-5 5-5 — Logic board self-test failure 6-1 6-1 — Battery backup low or failed 6-4 6-4 — Maintenance alert