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

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Craftsman garage door keypad

My keypad blinks when the code is put in but the garage door motor does not work. further the key pad will blink inside the house but will not blink where it is placed outside the garage door to gain entrance. help !

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The blinking on your keypad simply means that a code of some sort was sent. Whether it be the right on or not. Lets try to reprogram the unit. Press the colored learn button on the motor head and then within 30 seconds enter in the 4 digit code followed by the up/down action button. The light bulb should flash to let you know it has been accepted. Wait 5 minutes and try. If it does not work replace the keypad.

Posted on Sep 03, 2010

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Remote pad is blinking but not working, blinks about 15 times before it stops. Tried to take the battery out and replace it but didn't help. please help Thanks Aj


You can try programming the keypad but if that doesn't work you will need to replace it if your other remotes work okay.

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.



Dec 13, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My key pad stop working today. The battery is fine cause the lights keep blinking but the code just wont work. How can I reset this thing since I cant find the owners manual?


You can program the keypad by locating the smart/learn button on the back of the motor unit near where all those white wires go. Press and immediately release this button and then walk over to your keypad and key in your 4 digit code and press enter. I would try a new battery also.

May 25, 2010 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

I have wireless key pad model 139.53684/model 139.18795,both are on there.We didn't get a book or code w/ the house. How do I put a new code in w/out knowing the old code so we can use it?


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

Apr 27, 2010 | 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

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

Do not know what the security code is on the key pad? How do I change it if I dont know the current number?


Your motor unit should have a learn button on it. Once you find this, follow the instructions below:

1-Press learn button on motor
2-Within 30 secs, enter a new 4 digit pin on key pad. Press and hold enter button.
3-Release enter button when lights blink on the motor unit.

Mar 07, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

How do I reset my chamberlain garage key pad, after the liftmaster repair guy erased the code? What do I push on the keypad, while holding the green liftmaster learn button? thanks


hope you have not held green button or your renotes will bew erased. Push green button for one second. Go to keypad. Enter 4 digit code and hit ENTER. Bulb on motor should blink. That's it.

Jan 15, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Wireless Keypad wont allow use of other door openers


hit learn button for 10 seconds. now nothing will work except wired buttons. Hit learn for 1 second and put in yur 4 digit keypad code and hit enter, light on motor will blink twice. hit learn again for 1 second and push button on remote. again bulb will blink. continue pushing learn for 1 second and adding another remote.

Dec 26, 2008 | Sears Craftsman LiftMaster Chamberlain...

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