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Genie
Garage Door Opener

Model # PMX300-IC/A Official Genie ac chain & belt drive garage door opener

Here are the diagrams and repair parts for Official Genie PMX300-IC-A ac chain & belt drive garage door opener, as well as links to manuals and error code tables, if available.

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Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 166 parts  |
Keyless Entr 35282R
#1

Keypads & covers diagram

Keyless entr

Part #35282R

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

Logic Board 20437R
#3A

Head - all other models diagram

Logic board

Part #20437R

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

Bolt,1/4-2 8025D04
Bolt,1/4-2

Part #8025D04

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

Garage Door Opener Limit Switch 27220A
Garage door opener limit switch

Part #27220A

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

Strnrelief 9541C
Strnrelief

Part #9541C

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

Panel 33037R
#7

Head - pmx300-ic/b, pmx500-ic/b, ic250b diagram

Panel

Part #33037R

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

Screw,#10- 8094C04
Screw,#10-

Part #8094C04

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

Garage Door Opener Limit Switch Worm Gear 27091A
Garage door opener limit switch worm gear

Part #27091A

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

Garage Door Opener Washer 27087A
Garage door opener washer

Part #27087A

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

Garage Door Opener Header Bracket 18295A04
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.

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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 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 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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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 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 work intermittently?

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

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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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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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