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

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Although the hand held remote and the car remote and the button on the inside wall all work...my key pad outside the garage doesn't work. I did change the battery. The only instrudtions that I have are to change the password but not if the pad has erased the memory. What do I do? Thank you, Cheryl

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On page 1 of the link below will tell you how to program the the opener. Please raed all of page 1 befor you try to program.

http://www.overheaddoorco.com/Door%20Opener%20Files/LIFTMASTER%20976%20LM.pdf


Good Luck

Posted on Sep 02, 2010

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2 Answers

The hand held divice stopped working and the mounted pad light flashes quickly. The mounted pad does work.


The most likely problem here is that your wall control is bad. I would disconnect the 2 wires going to it and I think you will find your remote works. Replace the wall control.

Sep 27, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My wired key pad in the garage opens and closes the door but the buttom keeps blinking fast. My two car remotes stopped working. My remote key pad on the house works. Whats with the fast blinking and...


Press and hold for 3 seconds the button on the wall control that has an icon of a lock. The light should quit blinking and your remotes will once again work. Holding that button for 3 seconds toggles your openers vacation mode.

Nov 23, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door opening/closing problem


Could be a bad wall button or a smashed wire.
Anytime a door opens and/or closes by itself, or remotes work intermitantly I look for a smashed wire between the motor unit and the wall button or a bad 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.

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.

HOPE THIS HELPS

Jan 27, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Battery does not last


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.

HOPE THIS HELPS

Aug 06, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Remote has stopped working


Its possible you held the learn button down too long, this will erase all remotes. The best way to fix this is to press the learn button once and the hold down the button on the remote until the lights blink, you will have to do this with all remotes.
hope this helps.

Mar 19, 2008 | Chamberlain Powerdrive PD422D 1/2 HP...

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