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Question About Craftsman Garage Door Opener 139.53978SRT
Our garage door will not go all the way up.. stops...

Our garage door will not go all the way up.. stops about 3 feet up. When button is touched again, it goes down. Only way to get it open is to do it manually. Lights flash on and off for about 5 to 7 seconds. Nothing is blocking the sensors.

Asked by David on 02/02/2014 1  Answer

ManualsOnline posted an answer 10 years, 11 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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