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Craftsman 1/2 HP Garage Door Opener stops 2/3 of the way up.

Posted by edma (My Page) on
Tue, Apr 6, 10 at 23:27

The G.D.O. is moody and will stop 2/3 of the way up, but not every time. So I'll make it go down, and raise it back up. Sometimes it'll rise correctly. Sometimes it will stop at 2/3 of the way up, then it won't respond (except to go down). It works correctly 75% of the time and was just installed 7/2007. The Model is 139.53910D, built 07/2006. What could it be, since it only does this some of the time?


Follow-Up Postings:

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RE: Craftsman 1/2 HP Garage Door Opener stops 2/3 of the way up.

Increase the 'up force'. This control is on the rear of the motor unit near where all those white wires go.


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RE: Craftsman 1/2 HP Garage Door Opener stops 2/3 of the way up.

Thanks Don, I should've mentioned the up force was at 9. I found and called the cust svc number 800-528-5236, and they made me lower the up force to 5, manually lift the door waist high and drop it. Since it slammed to the ground, their conclusion is that the door is not balanced and thus the GDO is doing all the work. they recommended a couple of repair guys to do what's called a Door Balancing. Does this make sense to you? Thanks again.


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RE: Craftsman 1/2 HP Garage Door Opener stops 2/3 of the way up.

Yes that does make sense. I would suspect at this point that you have a broken door spring.


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