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Question About Craftsman Garage Door Opener 139.53978SRT
is there an overload protection on this model? I w...

is there an overload protection on this model? I was cleaning the bulb contacts and it shorted out (sparked). Now the opener does not work. John V

Asked by john on 09/11/2014 1  Answer

ManualsOnline posted an answer 10 years, 2 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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