Model # GCG350-GCG350L-GCG350ML Official Genie ac chain drive garage door opener

Here are the diagrams and repair parts for Official Genie GCG350-GCG350L-GCG350ML ac chain drive garage door opener, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 143 parts |

#11

Head diagram

Garage door opener chassis

Part #33763B

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

Head diagram

Garage door opener light socket

Part #34322A

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

Garage door opener bolt

Part #33760A04

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

#1C

Head diagram

Motor cover

Part #35573A

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

Miscellaneous accessories diagram

Battery, 9-volt

Part #9333A

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

Garage door opener wire clip

Part #24222A

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

Head diagram

Garage door opener stop shock absorber

Part #33759A

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

Garage Door Opener Logic Board Bracket 32989A

#14

Head diagram

Garage door opener logic board bracket

Part #32989A

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

Rail - gcg350l-gcg350ml, h2000, 1020l, 2020l diagram

Garage door opener rail clamp

Part #33744A04

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.

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What preventive maintenance does my garage door opener need?

Things to do: check garage door travel, tighten brackets and fasteners, test safety sensors, check travel limits and for…

Why does my garage door opener open and close by itself?

Main causes: neighbor's remote programmed at the same time as yours, faulty wall control wiring, bad wall control unit…

Why does my garage door opener reverse on its own?

Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage…

Why won't my garage door opener open the garage door?

Main causes: garage door locked, damaged garage door tracks, up-force setting needs adjustment, RPM sensor failure, bad …

Why won't my garage door opener fully open or close the garage door?

Main causes: garage door opener misaligned, travel limits need adjustment, bad travel limit switches, faulty logic contr…

Why does my garage door opener work intermittently?

Main causes: radio interference, weak remote batteries, sunlight interference with safety sensor beams, safety sensors n…

Why doesn't my garage door opener work?

Main causes: faulty logic control board, bad RPM sensor, broken gears in the drive system, bad drive motor…

Why is my garage door opener noisy?

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.

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How to replace a chain-drive garage door opener RPM sensor

Learn how to replace the RPM sensor if the door only moves 6 to 8 inches at a time and the LED light flashes 5 times. …

Repair difficulty

Time required

60 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'…

Repair difficulty

Time required

60 minutes or less

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

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.

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How to repair broken or damaged wires video

Model # GCG350-GCG350L-GCG350ML Official Genie ac chain drive garage door opener

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your garage door openers

What preventive maintenance does my garage door opener need?

Why does my garage door opener open and close by itself?

Why does my garage door opener reverse on its own?

Why won't my garage door opener open the garage door?

Why won't my garage door opener fully open or close the garage door?

Why does my garage door opener work intermittently?

Why doesn't my garage door opener work?

Why is my garage door opener noisy?

Most common repair guides to help fix your garage door openers

How to replace a chain-drive garage door opener RPM sensor

How to replace a chain-drive garage door opener gear and sprocket assembly

How to replace a garage door opener drive belt

Effective articles & videos to help repair your garage door openers

How to repair broken or damaged wires video

Garage door opener remotes won't work video

How to use a multimeter to test electrical parts video

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