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Genie
Garage Door Opener

Model # PCG400-PCG600 Official Genie ac chain drive garage door opener

Here are the diagrams and repair parts for Official Genie PCG400-PCG600 ac chain drive garage door opener, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 143 parts  |
Mtrmnt Bkt 33323A

#NI09

All parts diagram

Mtrmnt bkt

Part #33323A

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

Garage Door Opener Wire Harness (gray) 20417R

#NI13

All parts diagram

Garage door opener wire harness (gray)

Part #20417R

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

Garage Door Opener Wire Clip 24222A
Garage door opener wire clip

Part #24222A

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

Garage Door Opener Screw 5973Q04
Garage door opener screw

Part #5973Q04

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

Motor Cover 35573A
#1C

Head diagram

Motor cover

Part #35573A

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

Garage Door Opener Chain 33361A
#8

Head diagram

Garage door opener chain

Part #33361A

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

Garage Door Opener Washer 27087A
#26

Head diagram

Garage door opener washer

Part #27087A

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

Garage Door Opener Screw 24501D04
#10

Head diagram

Garage door opener screw

Part #24501D04

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

Garage Door Opener Cotter Pin 34542A
Garage door opener cotter pin

Part #34542A

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

Garage Door Opener Down Limit Wire Harness (brown) 20418R

#NI14

All parts diagram

Garage door opener down limit wire harness (brown)

Part #20418R

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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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…

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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 …

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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…

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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…

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Why does my garage door opener work intermittently?

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

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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…

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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…

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Why is my garage door opener noisy?

Main causes: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose …

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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 garage door opener battery

How to replace a garage door opener battery

The garage door won't move during a power outage if the battery is dead. Here’s how to replace it.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a garage door opener wall control

How to replace a garage door opener wall control

If you push the control button on the wall control and the garage door doesn’t move, the control is defective. Replace i…

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Repair difficulty
Time required
 15 minutes or less
How to replace a chain-drive garage door opener RPM sensor

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. …

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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 enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

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