Chamberlain garage door opener error codes
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.
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Sensors are completely misaligned or sensor wires are broken
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.
Safety reversing sensor wires are shorted or the safety reversing sensor wires are reversed on the logic board
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.
Wall mounted door control wires are shorted
Repair or replace any damaged wires between the logic board and the wall mounted door control.
Safety reversing sensors are slightly misaligned
Realign the safety reversing sensors so that the LED on the receiving sensor glows steadily.
Motor overheated
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.
Motor circuit failure
Replace the logic board.
Signal is being received from a compatible remote transmitter
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.
Most common symptoms to help you fix your garage door openers
Choose a symptom to see related garage door opener repairs.
Main causes: neighbor's remote programmed at the same time as yours, faulty wall control wiring, bad wall control unit…
Things to do: check garage door travel, tighten brackets and fasteners, test safety sensors, check travel limits and for…
Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage…
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: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose …
Main causes: faulty logic control board, bad RPM sensor, broken gears in the drive system, bad drive motor…
Main causes: radio interference, weak remote batteries, sunlight interference with safety sensor beams, safety sensors n…
Most common repair guides to help fix your garage door openers
These step-by-step repair guides will help you safely fix what’s broken on your garage door opener.
How to replace a chain-drive garage door opener motor
Get your garage door moving again by replacing a defective motor in your garage door opener.…
How to replace a chain-drive garage door opener RPM sensor
Learn how to replace the RPM sensor if the door only moves 6 to 8 inches at a time and the LED light flashes 5 times. …
How to replace a chain-drive garage door opener drive and worm gears
If your garage door won’t move, the drive and worm gears could be broken. This guide will help you replace the gears.…
Effective articles & videos to help repair your garage door openers
Use the advice and tips in these articles and videos to get the most out of your garage door opener.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
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Learn how to open a garage door manually if power to your garage door opener fails.…