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Question About Craftsman Garage Door Opener 139.53646SRT1
Green light blinks four times, must hold wall swit...

Green light blinks four times, must hold wall switch down to lower door,or it comes back up.

Asked by Jeff on 11/01/2013 2  Answers

ManualsOnline posted an answer 11 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

Yves posted an answer 11 years, 1 month ago

0 safety eyes not aligned or bad check for light on the safety eye
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Jeff posted an answer 11 years, 1 month ago

0 The safety eyes are correctly aligned, however one green light (sending) and one red light (receiving) are displayed.
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