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Question About Chamberlain Garage Door Opener 4640
remote opener...

I used the keypad to open the garage door and since that time neither remote has worked on the door. What caused this problem and how can it be fixed?

Asked by Robert Gorman on 02/09/2009 0  Answer

ManualsOnline posted an answer 15 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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