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Question About Craftsman Garage Door Opener 139.53978SRT
My garage door goes down then comes back up and th...

My garage door goes down then comes back up and the light on the opener blinks off and on about three times and stops. I can't get the door to stay down without turning off the power to the garage.

Asked by Denise Gardner on 04/29/2013 2  Answers

ManualsOnline posted an answer 11 years, 6 months ago

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

Denise Gardner posted an answer 11 years, 6 months ago

0 I found the answer to my problem in the garage door opener manual page 23.
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