April 19, 2023

Chamberlain garage door opener error codes

Chamberlain

These error code explanations can help you diagnose a problem with your Chamberlain garage door opener.

Chamberlain garage door openers with yellow or blue force adjustment dials flash the LED next to the Learn button to indicate a component failure. To find troubleshooting advice to correct a failure when your Chamberlain garage door opener Learn button is flashing, look up the condition causing the flashes and follow the repair advice to fix the problem. For example, 5 flashes indicate that the motor overheated. Follow the Chamberlain garage door opener troubleshooting shown for 5 flashes in the chart below.

For repair how-to help, visit the PartsDirect repair help section, which includes repair help for garage door openers, major appliances, lawn and garden equipment, vacuum cleaners and more. Search for your model number to find a complete list of replacement parts for your garage door opener.

Error Code
Condition
DIY advice
1 flash

Sensors are completely misaligned or sensor wires are broken

Check/Repair

Realign the safety reversing sensors so that the LED on the receiving sensor glows steadily. Reconnect any loose wires between the safety reversing sensors and the logic board. Replace the safety reversing sensor wires if damaged.

Possible parts
Safety reversing sensor wires
2 flashes

Safety reversing sensor wires are shorted or the safety reversing sensor wires are reversed on the logic board

Check/Repair

Repair or replace any damaged wires between the logic board and the safety reversing sensors. Connect the safety reversing sensor wires on the logic board following the guidelines in your owner's manual.

Possible parts
Safety reversing sensor wires
3 flashes

Wall mounted door control wires are shorted

Check/Repair

Repair or replace any damaged wires between the logic board and the wall mounted door control.

Possible parts
Wall mounted door control wires
4 flashes

Safety reversing sensors are slightly misaligned

Check/Repair

Realign the safety reversing sensors so that the LED on the receiving sensor glows steadily.

Possible parts
5 flashes

Motor overheated

Check/Repair

The motor can overheat if the door is opened and closed several times in a row. Unplug the garage door opener to reset the logic board. Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener. Pull the emergency door release and check the up-and-down travel of the garage door for binding. Repair the garage door if it doesn't travel smoothly. If it overheats after a single use and the garage door travel is smooth, replace the motor.

How-to help
Possible parts
Motor, Garage door components
6 flashes

Motor circuit failure

Check/Repair

Replace the logic board.

How-to help
Possible parts
Logic board
Rapid flashing

Signal is being received from a compatible remote transmitter

Check/Repair

The logic board is receiving the signal from a compatible remote transmitter. Program the remote transmitter device to link to the logic board. Follow the instructions in your owner's manual to program the remote.

Possible parts

Most common symptoms to help you fix your garage door openers

Choose a symptom to see related garage door opener repairs.

Main causes: garage door opener misaligned, travel limits need adjustment, bad travel limit switches, faulty logic contr…

Main causes: garage door locked, damaged garage door tracks, up-force setting needs adjustment, RPM sensor failure, bad …

Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage…

Things to do: check garage door travel, tighten brackets and fasteners, test safety sensors, check travel limits and for…

Main causes: radio interference, weak remote batteries, sunlight interference with safety sensor beams, safety sensors n…

Main causes: faulty logic control board, bad RPM sensor, broken gears in the drive system, bad drive motor…

Main causes: neighbor's remote programmed at the same time as yours, faulty wall control wiring, bad wall control unit…

Main causes: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose …

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