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Question About Craftsman Garage Door Opener 139.53978SRT
I have a sears craftsman garage door opener. It c...

I have a sears craftsman garage door opener. It currently works fine, but now is making a single beep (repeats every three minutes or so). What does this mean?

Asked by Louise on 12/16/2012 1  Answer

ManualsOnline posted an answer 11 years, 10 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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