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Craftsman 1/2 hp g.d.o. won't open

16 years ago

My Craftsman 1/2 HP garage door opener (10 years old) suddenly is having problems opening. It will open about 12" then stop. We've been having problems getting the door to raise completely, but eventually after numerous attempts it will raise. Sensors seem to be ok, green light on both. Any suggestions would be greatly appreciated!

RMartin

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Comments (4)

sdello
16 years ago
check all the springs and cables and make sure something hasn't broken.

Release the handle and open/close the door manually. If it moves freely and easily by hand, then post again and we'll move to the next diagnostic.
gemini511
Original Author
16 years ago
Broken spring indeed. Thank you!
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sdello
16 years ago
FWIW: I assume that you have two springs (one on each side). You should always replace the springs in pairs. Make sure you get the correct springs for your door (depends on weight). You might consider replacing the pulleys and cables while you at it. You can get them from any local overhead door company.

If you have a single torsion spring over the door header you're probably better off calling someone to fix it.

good luck
ctbosox
16 years ago
was having problems of my own, door would go up about a foot and stop, thanks to someone on here advising about the cold weather effect, I adjusted the "up" control, the door has been working fine.

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