10 Common Garage Door Opener Problems (And Fixes)

Why your opener hums but won't move, won't respond to remotes, or reverses every time you close it.

The usual suspects 1. **Photo-eye sensors out of alignment**—#1 cause of doors that won't close 2. **Dead remote batteries** or unpaired remotes 3. **Burned-out logic board** capacitors 4. **Stripped drive gear** in chain-drive openers 5. **Broken trolley** at the carriage 6. **RPM sensor failure** (LiftMaster code 4-1) 7. **Force settings too low**—reverses on the way down 8. **Travel limits off**—stops short or slams 9. **Wall-button wiring short** 10. **Opener motor at end of life** (12–15 years)

Most of these are 30-minute fixes. Call 423-583-9355.