Here are the diagrams and repair parts for Official Craftsman 13953879 garage door opener, as well as links to manuals and error code tables, if available.
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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.
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#NI
All parts diagram
Part #114A1959
The manufacturer no longer makes this part, and there's no substitute part
#NI
All parts diagram
Part #41A4874
The manufacturer no longer makes this part, and there's no substitute part
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 …
These step-by-step repair guides will help you safely fix what’s broken on your garage door opener.
Learn how to replace the gear and sprocket assembly on your garage door opener if the drive motor runs but the door won'…
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…
If your garage door won’t move, the chain and cable assembly on your garage door opener could be broken. Follow these st…
Use the advice and tips in these articles and videos to get the most out of your garage door opener.
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