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Question About Craftsman Garage Door Opener 139.53689
Garage door monitor. Green and Red light flashing ...

Garage door monitor. Green and Red light flashing off and on together. Model 139.53689. New Battery did not help. What is Wrong. Had it for ten years and really like it...

Asked by Pat Beddoe on 04/10/2012 0  Answer

ManualsOnline posted an answer 12 years, 6 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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