Garage door opener repair guides

These DIY repair guides and videos can help you fix your garage door opener yourself by showing you how to replace common parts such as safety sensors and internal gears. When you need help diagnosing a problem, check out our garage door opener repair help section for troubleshooting tips and error code charts. Our repair advice covers major garage door opener brands such as Craftsman, Chamberlain and Genie. Search your model number to find a complete list of replacement parts for your garage door opener, then order the part you need.

garage-door-opener

Repair guides common to all garage door openers

These step-by-step repair guides will help you safely fix what’s broken on your garage door opener.

June 20, 2016
By Lyle Weischwill
How to replace a garage door opener battery

The garage door won't move during a power outage if the battery is dead. Here’s how to replace it.

Repair difficulty
Time required
15 minutes or less
How to replace a garage door opener wall control

If you push the control button on the wall control and the garage door doesn’t move, the control is defective. Replace it in less than 15 minutes.

Repair difficulty
Time required
15 minutes or less
How to replace a garage door opener logic board

The logic board is the brains of the garage door opener. If the remote doesn't work or the door doesn't open and close properly, the logic board could be the problem. This repair guide shows you how to fix it yourself.

Repair difficulty
Time required
60 minutes or less
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.

Repair difficulty
Time required
60 minutes or less
How to replace a belt-drive garage door opener motor

The garage door won't move if the motor is defective. Here’s how to fix it.

Repair difficulty
Time required
60 minutes or less
How to replace a garage door opener safety sensor

If your remotes don’t work and the lights on the motor unit blink when you press a remote, the safety sensors may have failed. This guide will help you replace them.

Repair difficulty
Time required
15 minutes or less
How to replace a chain-drive garage door opener gear and sprocket assembly

Learn how to replace the gear and sprocket assembly on your garage door opener if the drive motor runs but the door won't move.

Repair difficulty
Time required
60 minutes or less
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.

Repair difficulty
Time required
60 minutes or less
How to replace a garage door opener drive chain and cable assembly

If your garage door won’t move, the chain and cable assembly on your garage door opener could be broken. Follow these step-by-step instructions to replace it.

Repair difficulty
Time required
60 minutes or less
January 6, 2016
By Lyle Weischwill
How to replace a garage door opener drive belt

A damaged or broken belt on your garage door opener could be the reason it won’t move the door. Here’s how to fix it.

Repair difficulty
Time required
60 minutes or less
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.

Repair difficulty
Time required
60 minutes or less

Symptoms common to all garage door openers

Choose a symptom to see related garage door opener repairs.

Main causes: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose chain
Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage door tracks
Things to do: check garage door travel, tighten brackets and fasteners, test safety sensors, check travel limits and force limits
Main causes: faulty logic control board, bad RPM sensor, broken gears in the drive system, bad drive motor
Main causes: garage door opener misaligned, travel limits need adjustment, bad travel limit switches, faulty logic control board
Main causes: neighbor's remote programmed at the same time as yours, faulty wall control wiring, bad wall control unit
Main causes: radio interference, weak remote batteries, sunlight interference with safety sensor beams, safety sensors need adjustment
Main causes: garage door locked, damaged garage door tracks, up-force setting needs adjustment, RPM sensor failure, bad drive motor

Articles and videos common to all garage door openers

Use the advice and tips in these articles and videos to get the most out of your garage door opener.

May 11, 2018

Garage door won't move: motor and travel troubleshooting video

By Sears PartsDirect staff

Diagnose and repair problems if your garage door won’t move and the motor unit indicator light flashes 5 times.

October 26, 2016

How to repair broken or damaged wires video

By Sears PartsDirect staff

Learn how to repair broken, frayed or damaged wires in your appliances.

March 4, 2015

How to maintain a garage door opener

By Sears PartsDirect staff

Learn what maintenance a garage door opener needs, and when to perform the maintenance.