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.
Repair guides for 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.
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.…
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 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'…
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 belt-drive garage door opener motor
The garage door won't move if the motor is defective. Here’s how to fix it.…
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 p…
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 i…
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 f…
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.…
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 st…
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.…
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 …
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 how to repair broken, frayed or damaged wires in your appliances.…
If your remotes don't work, you might need to disable the lock feature, eliminate RF interference or check the batteries…
Learn how to use a multimeter to check for wiring problems in an appliance that's not working…