March 23, 2018

Garage door won't close/safety sensor troubleshooting video—lights blink 10 times

By Sears PartsDirect staff
Garage door won't close: safety sensor troubleshooting.
Garage door won't close: safety sensor troubleshooting.

If your garage door opener won’t open and the motor unit lights blink 10 times, it usually means you have a problem with your safety sensors. In this video from Sears PartsDirect, we’ll show you some simple fixes, like checking the garage door opener’s alignment and clearing obstructions. We’ll also show you how to read your garage door opener’s error codes and how to test your sensors directly at the motor unit so that you can determine if you need to replace them, or simply fix the sensor wiring.

For additional garage door opener repair help, check out our DIY garage door opener repair section for repair guides, articles, videos, answers to the most frequently asked questions and troubleshooting tips.

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

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
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

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.