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Question About Craftsman Garage Door Opener 139.53778
door won't close without holding the button...

do you have motion sensors mounted near the floor? if so they probably got knocked out of alignment... check if one of the brackets were knocked loose or f it was bent out fo position. they need to line up to show there is no obstruction before the door will close on its own again.

Asked by Dennis on 08/10/2011 0  Answer

ManualsOnline posted an answer 13 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

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