Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
Everytime I press the control to close the garage door, it goes up once it reaches the laser beam. I have reset it several times, but it still won't close. I also have been adjusting the laser beam and still can't get it to close.
My garage opener only opens up about 5 inches and then it closes again when I press the button located inside the garage. What is wrong with my garage opener?
Posted on Jul 06, 2009
Have checked to make shur nothing on the Door is sticking out into the path of the beam. Most door I know of are set so that anythig breaking the beam, while the door is in motion, will send it back up. the beam dosnt stop being looked at till the doors been all the way closed for a second or two.
You might want to look at the part of the door that reaches the laser just before it goes back up, it dosent take much to break the beam, a piece of string could do it.
Hope this Helps
Posted on Jul 02, 2009
Make sure the small light on each door sensor is lit and not flickering. If one or both of them is not lit then either they are not aligned properly or have gone bad. It could also be the wiring to the sensors.
Posted on Jul 02, 2009
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Posted on Jan 02, 2017
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