Genie
Garage Door Opener

Model #2040L Genie ac belt drive garage door opener

Here are the diagrams and repair parts for Genie 2040L ac belt drive garage door opener, as well as links to manuals and error code tables, if available.

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Owner’s manual

    Showing 10 of 78 parts

    Antenna Kit#4

    Gated community receiver set & accessories Diagram

    Antenna kit

    Part #108035.0007

    The manufacturer no longer makes this part, and there's no substitute part

    Garage Door Opener Drive Gear#5A

    Head Diagram

    Garage door opener drive gear

    Part #36045A

    The manufacturer no longer makes this part, and there's no substitute part

    Cover Assembly#6

    Head Diagram

    Cover assembly

    Part #36055R

    The manufacturer no longer makes this part, and there's no substitute part

    Capacitor#8

    Head Diagram

    Capacitor

    Part #36057A

    The manufacturer no longer makes this part, and there's no substitute part

    Garage Door Opener Curved Door Arm#3

    Rail Diagram

    Garage door opener curved door arm

    Part #35998A

    The manufacturer no longer makes this part, and there's no substitute part

    Control Board#3

    Head Diagram

    Control board

    Part #36042A

    The manufacturer no longer makes this part, and there's no substitute part

    Wire Clip#9

    Rail Diagram

    Wire clip

    Part #36053A

    The manufacturer no longer makes this part, and there's no substitute part

    Mounting H

    #NI02

    All parts Diagram

    Mounting h

    Part #35995R

    The manufacturer no longer makes this part, and there's no substitute part

    Battery, 9-volt#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 Light Socket#4

    Head Diagram

    Garage door opener light socket

    Part #36043R

    The manufacturer no longer makes this part, and there's no substitute part

    Symptoms common to all garage door openers

    Choose a symptom to see related garage door opener repairs.

    Things to do: check garage door travel, tighten brackets and fasteners, test safety sensors, check travel limits and force limits
    Main causes: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose chain
    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: garage door locked, damaged garage door tracks, up-force setting needs adjustment, RPM sensor failure, bad drive motor
    Main causes: radio interference, weak remote batteries, sunlight interference with safety sensor beams, safety sensors need adjustment
    Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage door tracks
    Main causes: garage door opener misaligned, travel limits need adjustment, bad travel limit switches, faulty logic control board

    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 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 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 properly, the logic board could be the problem. This repair guide shows you how to fix it yourself.

    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 step-by-step instructions to replace it.

    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.

    December 1, 2020

    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.

    June 24, 2016

    Garage door opener remotes won't work video

    By Sears PartsDirect staff

    If your remotes don't work, you might need to disable the lock feature, eliminate RF interference or check the batteries.

    January 1, 1970

    How to tell if a fuse is blown

    By Lyle Weischwill

    Learn how to tell whether a fuse is blown