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Question About Craftsman Garage Door Opener 139.53975SRT
door won't open...

door won't go up opener just hums

Asked by c on 02/14/2010 2  Answers

ManualsOnline posted an answer 14 years, 8 months ago

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

Mark posted an answer 14 years, 6 months ago

0 door won't open. Just hums. Light blinks on ceiling mounted unit
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