Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
I know that the sensors on my garage doors must be out of line and I'd like to know the quickest and simplest way to re-align them.
Ok quick question. How old is your opener? There are two little blocks on each side of the door. are they both green? or is one amber and the other green? When I go out to a customers house with this problem the first thing I do is close the door so is a little darker so you can see the lights. Line them up then I good each one a good little tap with my finger and see if ether light will flicker. If so then there too loose or not lined up as well. One side will always be lite (unless there is no power or a cut wire)
Posted on Feb 10, 2009
Recently installed sears craftsman garage door opener. opening is working smooth. but when it close, the motor unit shakes
Posted on Jun 23, 2010
Do they have little lights on each head? If so generally as long as they both light up they are aligned.
Posted on Jan 12, 2009
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Posted on Jan 02, 2017
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