Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
Posted by Anonymous on
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Posted on Jan 02, 2017
Have you tried the manufacturers site at either craftsman or sears. You should be able to find it there. You will need your model #.
Posted on Aug 01, 2008
I find Clicker products confusing. Might want to buy whole new replacement readio control set. how old is operator?
Posted on Jan 16, 2009
In most cases, when a garage
door opens or closes by itself, or when you find your door open, upon
returning home, the problem is due to a short somewhere. This short
is most likely to be in one of two places: either in one of your
transmitters or in the wall button or its wiring.
When there is a short in your garage door transmitter, you will often find the garage door is up upon returning home, even though you know you closed the door when you left the house. A short in your transmitter causes a continues signal to be sent. As you are pulling out of the driveway the garage door closes fully and appears to stop, but as the carriage and arm run past the down limit and hits the header bracket it reverses, and the door begins to open, just as you start driving off down the road. You come home to find the garage door is up, as if someone else had opened your door. The best thing to do to troubleshoot the garage door problem is remove the batteries from your transmitters and try operating the door from the wall button. If the problem is intermittent, you may want to do this for a day or two to eliminate the transmitters as the culprit.
If the problem persists, try removing the wall button wire at the motor head to ensure it is not a short in the wire to the button, then try operating the garage door with the transmitters only. If it stops the problem, replace the wires and test the wall button. It is a process of elimination.
Posted on Mar 29, 2010
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