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Craftsman
Garage Door Opener

Model # 139664030 Official Craftsman garage door opener

Here are the diagrams and repair parts for Official Craftsman 139664030 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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ALL PARTS
Showing 10 of 55 parts  |
Screw 171A254
#28

Chassis assembly diagram

Screw

Part #171A254

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

Screw 171A183
#1

Chassis assembly diagram

Screw

Part #171A183

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

Screw 171A248
#35

Chassis assembly diagram

Screw

Part #171A248

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

Logic Board 4A1226
#22

Chassis assembly diagram

Logic board

Part #4A1226

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

Wire Harn. 1B2006

#NI

All parts diagram

Wire harn.

Part #1B2006

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

Obs. Sw 4A1230
#45

Chassis assembly diagram

Obs. sw

Part #4A1230

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

Hinge Bracket 12A129
#2

Rail assembly diagram

Hinge bracket

Part #12A129

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

Washer 216A107
#40

Chassis assembly diagram

Washer

Part #216A107

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

End Panel 4A1187
#44

Chassis assembly diagram

End panel

Part #4A1187

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

Cover 31D277
#32

Chassis assembly diagram

Cover

Part #31D277

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.…

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Repair difficulty
Time required
 60 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. …

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

How to replace a chain-drive garage door opener drive and worm gears

If your garage door won’t move, the drive and worm gears could be broken. This guide will help you replace the gears.…

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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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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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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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