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Question About Craftsman Garage Door Opener 139.53978SRT
my craftsman garage door opener stopped working. I...

my craftsman garage door opener stopped working. It hums for a few seconds and the yellow light on the back of the unit blinks five times ,stops and five more times. is this a troubleshooting code? thanks for any help.

Asked by bob on 12/31/2014 1  Answer

ManualsOnline posted an answer 9 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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