Craftsman 13953998SRT garage door opener repair and replacement parts

Craftsman 13953998SRT garage door opener

Here are the repair parts and diagrams for your Craftsman 13953998SRT garage door opener. The diagram(s) below can help you find the right part. If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.
On this page, you can also find any manuals, installation guides and error code tables associated with this model.
For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

Symptoms common to all garage door openers

Choose a symptom to see related garage door opener repairs.

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

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 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 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.

March 23, 2018

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

By Sears PartsDirect staff

Learn how to check and fix safety sensor and wiring problems.

March 7, 2018

How to program garage door opener remotes video

By Sears PartsDirect staff

This video covers 5 different wall control units and universal remotes.