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

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How can I can the security code on the key pad for the Liftmaster model #41A3039 My old code does not work

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You can try reprogramming the keypad. 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 to your keypad and key in a 4 digit code and press enter.

I do think either the battery is bad or the keypad has just quit working.

Posted on Apr 27, 2010

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I have a 41A3039 liftmaster that has a wireless keypad, how do I reprogram the keypad?


Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to the keypad and key in any 4 digit code you like and press enter.

Nov 22, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I had a new chamberlain installed and did not realize it did not come with a key pad. The old liftmaster keypad is still hooked up. Is it possible to make it work?


Most likely not but you can try by doing this.

Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to the keypad and key in any 4 digit code you like and press enter.

Nov 11, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My lift master security plus keyless entry pad for the garage door no longer will open the garage door when I key in the four digit code. Can I reprogram the entry pad and if sohow?thank you


You can try programming it but first make sure the battery is good. Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to your keypad and key in any 4 digit code you like and press enter.

May 20, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Deprogram an old code...


To do this you must hold the smart/learn button in for 6 seconds. This will erase the memory of the receiver and you will have to program your remotes plus the keypad.

Jul 14, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

I have LiftMaster garage door model 41A3039 and Chamberlain wired keypad--how do I change the keypad code to open the garage door


To program the keypad, first unplug the garage door opener from the electrical outlet. Next remove the nameplate from the console that the keypad plugs into and locate the program/operate switch. Flip the switch to program. Next enter your desired four-digit PIN number into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.

Jul 13, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Liftmaster key pad opens door with a single number punch


You are using a universal keypad and usually the 0 button is "enter" look up directions for the brand keypad you are using

Jan 17, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door key pad


For most openers you don't need the old code.

Just press the program button on the powerhead enter the code you want in the keypad and press enter (within 20 seconds).

Jul 28, 2008 | Sears Craftsman LiftMaster Chamberlain...

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