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Question About Craftsman Garage Door Opener 139.53978SRT
the light bulbs on my 1/2 hp craftsman garage door...

the light bulbs on my 1/2 hp craftsman garage door opener stay on all the time. if I press the light bulb button, they will go off for about 20-30 seconds, then come back on.

Asked by darlene wright on 02/18/2013 1  Answer

ManualsOnline posted an answer 11 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

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