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Question About Craftsman Garage Door Opener 139.53978SRT
garage door closed halfway and we open both my sen...

garage door closed halfway and we open both my sensors are green but a yellow light is blinking 4 times on the motor

Asked by Lloyd on 10/28/2013 1  Answer

ManualsOnline posted an answer 11 years 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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