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Genie
Garage Door Opener

Model # IS550-2 Official Genie garage door opener

Here are the diagrams and repair parts for Official Genie IS550-2 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.

Owner’s manual
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 57 parts  |
Board 20386R
#12

Motor assy diagram

Board

Part #20386R

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

Coupler 30257T
#8

Motor assy diagram

Coupler

Part #30257T

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

Logic Board 20437R
#10A

Motor assy diagram

Logic board

Part #20437R

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

Garage Door Opener Hex Nut 24121C05
#10

Rail assy diagram

Garage door opener hex nut

Part #24121C05

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

Garage Door Opener Interrupter Cup 35226A
#14A

Motor assy diagram

Garage door opener interrupter cup

Part #35226A

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

Clamp 25731A
#NI

Motor assy diagram

Clamp

Part #25731A

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

Screw 24940A30
#18

Motor assy diagram

Screw

Part #24940A30

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

Pcb Bracket 25609A
#17

Motor assy diagram

Pcb bracket

Part #25609A

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

Garage Door Opener Down Limit Wire Harness (brown) 20418R
Garage door opener down limit wire harness (brown)

Part #20418R

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

Garage Door Opener Rpm Sensor Assembly 31057R
#13

Motor assy diagram

Garage door opener rpm sensor assembly

Part #31057R

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 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 work intermittently?

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

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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 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 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 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 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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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 chain-drive garage door opener motor

How to replace a chain-drive garage door opener motor

Get your garage door moving again by replacing a defective motor in your garage door opener.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a belt-drive garage door opener motor

How to replace a belt-drive garage door opener motor

The garage door won't move if the motor is defective. Here’s how to fix it.…

Read more
Repair difficulty
Time required
 60 minutes or less
How to replace a garage door opener drive chain and cable assembly

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…

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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 open a garage door with an opener manually

How to open a garage door with an opener manually

Learn how to open a garage door manually if power to your garage door opener fails.…

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