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Model # ALC SERIES Official Genie garage door opener
Here are the diagrams and repair parts for Official Genie ALC SERIES garage door opener, as well as links to manuals and error code tables, if available.
Error CodesBy Schematic
SELECT DIAGRAM
Browse Parts for
ALC SERIES Garage Door Opener
#17
Head diagram
Garage door opener ac transformer
Part #35426A
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener hex nut
Part #24121D05
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener bolt
Part #8028P04
The manufacturer no longer makes this part, and there's no substitute part
Bolt,1/4-2
Part #8025D04
The manufacturer no longer makes this part, and there's no substitute part
Chain clip
Part #24701R
The manufacturer no longer makes this part, and there's no substitute part
#1
Miscellaneous accessories diagram
Battery, 9-volt
Part #9333A
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener chain connecting link
Part #20060A
The manufacturer no longer makes this part, and there's no substitute part
#162A
Rail - alc series diagram
Chain-8'
Part #18428D
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener chain idler pulley
Part #26966D
The manufacturer no longer makes this part, and there's no substitute part
Garage door opener header bracket
Part #18295A04
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your garage door openers
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 …
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 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'…
Repair difficulty
Time required
60 minutes or less
How to replace a garage door opener logic board
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…
Repair difficulty
Time required
60 minutes or less
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…
Repair difficulty
Time required
60 minutes or less
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 about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn how to repair broken, frayed or damaged wires in your appliances.…