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

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Put a new battery into the wireless key pad attached to the garage door jamb. How do I code things so it will raise the garage door. The remote opener in the car and the wired button inside the gargage work the garage door just fine. Craftsman garage door opener.

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  • 90 Answers

Simple ,find the smart button on your machine ,it will be where all the bell and infrared wires are connected ,which is also the logic board of the machine , this smart button is usually brightly colored /orange /red /purple / green/ when pushing this button in for a second or two makes a small led light lightup next to it and it will be a solid light ,at this time you want to go to your keypad and put your 4 digit code in and then press And Hold the Enter button until the lights flash on your garage door opener , those flashing lights on the opener are telling you the machine has recieved the code from the keypad , See told you it was simple ,you,ll have no problems ,just follow my instructions to the letter and it will work , GUARANTEED ! Thank you for letting me help you and if i was a help ,please help me and leave a nice rating Sincerely Glenn Mayer

Posted on Mar 05, 2009

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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...

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

Two codes open door


You must hold that red button in for 6 seconds to erase the memory. Just remember you will have to program your hand remotes plus the wireless keypad.

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

1 Answer

Changed code on the wireless chamberlain security key pad


Does it work from wall button? Hit learn button for 10 seconds. Hit again for 1 second and code keypad.Opener lights should blink 2x. Hit learn again for a second and hit button on a remote (Any button you chose). Again, lights should blink. Now should work. Repeat for any other remotes.

Jul 24, 2009 | Chamberlain 950CB Remote Control

1 Answer

How do I code the garage door wireless key pad?


simple ;find the smart button on the opener and pressit ,their will be an indicater light next to the smart button that will remain lit ,then go over to the keypad and put your 4 digit code in example1234 then press enter on keypad and hold down for 3 seconds until garage door opener lightbulbs shut down and come back on , and thats it simple as pie! when the lights go on and off on your machine it,s telling you that it has received the code that you just programmed into it , guaranteed to work everytime , Thank you for letting me help you Sincerely Glenn mayer

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

2 Answers

Door close with wireless remote entry but will not open


It sounds like this remote has lost its program! you will have to reprogram it!I hope this helps ya!

Dec 15, 2008 | Sears Craftsman LiftMaster Chamberlain...

9 Answers

Trouble changing passwordon model 940CB wireless keyless entry


easyer then that , you die! Open your garage door, take out the step ladder, a chair or get up on *********** in law's back, (here's your chance to be on her back for a change) press the read button of your unit (motor) a led should light up and on the key pad, key in the new 4 digits code and press enter, the light of the unit should blink javascript:; Post Solution

May 19, 2008 | 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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