Garage door opener symptoms
A garage door opener that reverses on its own, won't open or works intermittently will need some troubleshooting to fix the problem. Our symptoms and troubleshooting advice can help you determine what's causing these and other garage door opener failures. You can then get the repair parts you need and use our garage door opener repair guides to help get your garage door opener working again.
Symptoms common to all garage door openers
Choose a symptom to see related garage door opener repairs.
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…
Things to do: check garage door travel, tighten brackets and fasteners, test safety sensors, check travel limits and for…
Main causes: garage door locked, damaged garage door tracks, up-force setting needs adjustment, RPM sensor failure, bad …
Main causes: neighbor's remote programmed at the same time as yours, faulty wall control wiring, bad wall control unit…
Main causes: garage door opener misaligned, travel limits need adjustment, bad travel limit switches, faulty logic contr…
Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage…
Main causes: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose …
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 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 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…
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.…
Learn how to use a multimeter to check for wiring problems in an appliance that's not working…
Learn how to open a garage door manually if power to your garage door opener fails.…