Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Remote only closes the garage door, will not open it

When I leave in the morning, I use the wall mount to open the door and the remote to close it when I leave. When I come home, the remote will not open the door. I have an outside keypad that will not open the door (I haven't tried to close it with the outside keypad. The wall mount keypad in the garage opens and closes the door. What is wrong with the remote and outside keypad? They both stopped working within a day or two of each other and I have changed the batteries. Any suggestions? The last time the outside keypad stopped working, I just bought a new one. This one is only 3 years old. Any suggestions?

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  • blonde_jopli Aug 24, 2008

    My garage door will open and close with inside panel. My remote will open the door but will not close it. I have replaced the batteries and there is no door sensors what is wrong?

  • deslaut99 Oct 03, 2008

    remote keypad opener only closes the door, will not open....what gives?

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Anytime a door opens and/or closes randomly or doesn’t work consistently I look for a smashed wire between the motor unit and the wall button.

If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door or interfere with the remote signal.

Loosen the staples with a small screwdriver and slide the wire about ½ inch to move any areas of thin insulation away from the staples.

The second thing would be a bad wall button or a remote with a sticking button.
Or a remote in someone’s purse that gets the button pushed by other stuff in the purse.

The test is to disconnect the push button wires at the power unit. If the self operation / interference stops you have located the problem. If you reconnect the wires and disconnect the wire at the wall button this will tell you if the problem is the wire or the button.

In your case the expansion of the wall in the afternoon may be enough to cause pressure on the wire to increase the problem – works in the morning but not the afternoon.

Also after you change the batteries you need to reprogram the remotes.

HOPE THIS HELPS

Posted on May 30, 2010

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