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

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My wireless remote keypad stopped working. I changed the battery and it worked to get the garage door down but not up. The key pad is about 7 years old.

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It sounds like your keypad is going bad and has a weak signal. It can operate the opener with the door open but with the door between it and the receiver it can't.

Posted on Jun 01, 2010

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My keyless entry pad will let garage down when code is keyed in, but when code has been keyed up to let it up it will not do so.


I assume you mean that the entry keypad works when the door is open but not when the door is closed. This usually indicates that the signal strength on the entry pad is low. Try changing the battery.

Insert a small Philips screwdriver in the opening on the bottom of the battery compartment cover. Pull the cover slightly outwards then pull the cover down. The battery in the compartment is a 9V battery. Then replace the cover by inserting the lip in the top of the battery compartment and then snap it into place.

If you change the battery quickly, you shouldn't need to reprogram the opener. If a new battery doesn't solve the problem, check what may be causing signal interference when the door is down. (Consider moving the keypad to a spot closer to the door opening. I know that we have the keypads placed on the side of the door jamb on our garage doors. When the small handheld remote units start to loose their batteries, bringing the remotes to that area that often works.)

I hope this helps.

Cindy Wells

Oct 04, 2013 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Key pad not working. Garage door will open with


I'm confused about the battery you replaced inside the garage but you can try programming the keypad just to see.

Locate the smart/learn button on the back of the motor unit near where all those white wires go. Press and immediately release it and then walk over and key in your 4 digit code and press enter. If this doesn't work and you know the battery inside the keypad is good, you have a bad keypad.

Mar 03, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

The garage key pad has stopped working


The most common problem for your situation is that the battery in your wallmounted key pad needs to be replaced. unscrew the little screw on the face of the device, remove the battery and replace it with one just like it. Radio shack usually has these batteries

Oct 21, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My keypad works,my remote opener does not, even


It is related. One of the buttons on your wall control is the lock button and has a lock icon on it. Press and hold it for 3 seconds. The blinking should stop and your remote should now work.

Aug 01, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman 3/4 screw garage opener all remote stopped working


The radio receiver which is part of the logic board is bad. Check your warranty quick and call Sears.

Jun 12, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

LiftMaster 1/2hp: Key Pad Won't Work!


If you have a wireless keypad replace the battery.

Jun 05, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage Door Key Pad


Assuming, from what I read, the remote works..The inside switch is just a doorbell switch which will wear out or have the contacts get bent or dirty. Take off wall, and change for new one or see if the contacts can be cleaned or adjusted. If the pad is electronic (coded) the wires may be bad or the control defective. Usually momentary contact of the two wires will cause the door to actuate.

Apr 21, 2008 | Sears Craftsman LiftMaster Chamberlain...

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