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

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Openers I am trying to program a new keyless and it does not seem to accept. I have managed to blank out all the other remotes and none of them seem to want to reprogram??? Thanks Michael

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Did you buy right keypad? To get remotes working, hit LEARN or SMART for 1 second and push remote button. Light should flash. Repeat for each remote orkeypad (If you have the right one).

Posted on Dec 29, 2009

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Why won't it program?


Check batteries. Craftsman owners manual may have troubleshooting procedure. Door opener new? or just started happening? If new there may be a compatibility problem. These things are tricky to keep the Hackers out of your home. So a little persistence and understanding how it works will help.

Jun 08, 2015 | Building Materials

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I have a craftsman garage door opener, of which I tried to program a new remote. but it did not program. in the event I accidently errased my keypad password. How can I reprogram the keypad, i cannot...


Hello there,
It actually depends on what you are trying to program. And these instructions apply only to openers that do not have dip switches on them.
Remotes: push don't hold the colored learn code button all models have different colors. After pushing the button hold the remote behind your back and push it three times. On the third time the door should run.
Keyless Entry: Program the code you want into the keyless. Push the colored learn code button and then enter the code and push enter three times slowly. on the third time the door should run.
Home-Link. Hold the two outer buttons until the blinking pattern changes. Then hold the button you wish to program and point and click your remote at it. Push the colored learn code button and push the homelink button three times.
There are two models of the Wireless Keyless Entry System, the 740CB and the 940CB. The 940CB is for use only with Security+® garage door openers having an orange/red smart/learn button. The 740CB will work with all openers manufactured since 1990 that have a yellow, white, gray, or green smart/learn button. It will not work with Security+® openers.
To program the keyless entry, first locate the smart/learn button. On our chain drive models, this button is on the end farthest from the door. On our belt and screw drive models, it is on the right side as you face the door from the opener. You simply press and release the smart/learn button. You now have 30 seconds to enter your four digit PIN number into the keypad and hold the enter button for five seconds. Wait one minute and test the keyless entry by entering your four-digit PIN number and pressing enter.
With some Security+® models, you can also program your Model 940CB Wireless Keyless Entry without climbing a ladder, right from your Multi-Function Control Panel. Simply enter your pre-selected code and press and hold the enter button on your Keyless Entry. Then press and hold the light button and the pushbutton on your Multi-Function Control Panel. The garage door opener lights will flash to confirm that the Keyless Entry has been successfully programmed.
Hope this helped you solve the problem. All the best my dear friend. Elect_Comp

Sep 02, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My garage door sytem was working fine. I lost a remote, so after getting a new one, I programmed it into the door opener. After that, i found the remote I programmed worked, but my wife's remote did not....


Ted, it sounds like normal garage door function. Here is my take, you were pushing the button in a fashion that was to clear all remotes. This is done through either pushing wrong button, or pressing the programming button for too long.

Sometimes you need an assistant to be able to activate the wireless key, soon enough after pressing programming button. Get a ladder and a light, climb up and read the directions carefully on your opener. Try to add just the keyless system.

If that does not work,Get an assistant, and do the whole process again, including the keyless.

There are two distinct processes, adding and clearing, and it may be easy to invoke the wrong one.

Your system uses rolling code/invite system. Rolling code relates to a handshake betewen each remote and the base. The code is changed at each use, for each remote. (the keyless /wireless also).

Been there, done this. all for an additional second or two of button press.

Oct 16, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

We tried to program an old chamberlain remote to our new craftsman opener through the door console--now the door console does not work--we reprogrammed the keyless entry and car remotes with the main unit...


The door control does not require programming. Make sure one of the wires hasn't come loose and also try loosening the top screw on the door control. If it is too tight it can cause a problem.

Mar 07, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Only Keyless entry or remotes can be programmed but not both


If you can program your remotes but when you program your keypad the remotes quit working and vice versa you have either the wrong keypad or it has reverted to an earlier technology. Make sure the keypad is for your specific model door opener.

Jun 25, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Programing keyless remote


The odds are the keypad will not work with your new opener. The radio frequency has been changed on the new openers. But if you want to try you just press and immediately release the smart/learn button on the motor unit and then walk over to the keypad and key in your 4 digit code and press enter. These instructions are for a wireless keypad.

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

1 Answer

Keylees entry and remote controls do not work at the same time


There are two types of technology with this operator (rolling code and non-rolling code). This operator will except one or the other but not both. It is not uncommon for a rolling code (Security+) remote or keyless to lose the "rolling"part of its technology and become a non-rolling code device so it is not compatable with the rolling code technology. You will need to replace the one remote or keyless that is not like the others.

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

7 Answers

Sears garage door keypad/remote programming problem


Hi All,

I had the same issue recently and here's what I found out (through a LOT of research) and the solution (yes, there is one!):

As described by many, when you can't get both the remote and the wireless pad to work together it means your garage door opener can accept both rolling code and billing code technology, BUT not at the same time. When you reset all codes (normally by pressing a button on the opener for a period of time e.g. 6 seconds or more), you erase all codes and remote "pairings". Then when you follow the manufacturer's procedure to pair again (which could be the wireless key pad first OR the remote first), the first pairing determines the technology for all subsequent pairings. Example: if your first pairing/programming was with the wireless keypad, and if it was rolling code technology (normally the case for newer models), then the garage opener will only recognize and accept rolling code for subsequent pairings. If your remote(s) are older (billion code technology) then the opener won't even recognize the signal (e.g. led won't blink when trying to pair/program).

And vice versa if you start with your remote after erasing all programming (then your keyless pad won't work).

But here is a potential workaround! For newer wireless keypads (e.g. clicker from chamberlain), you have an option to select the type of opener you are using as you do the initial password set up (normally indicated by a number e.g. 1 for models built after 1995, 2 for models built between 1997 and 2004, etc). Each choice is associated with a technology in the background (e.g. either rolling code or billion code). If you are programming your wireless keypad first after erasing all codes / programming, if you chose the "recommended" option for garage opener, chances are it will be rolling code and that means you won't be able to program your older remotes (billion code) after that. So how can you chose the option that will match your remote???

Here's what you do: start by pairing / programming your older remote first after erasing all codes / programs. That sets the technology (e.g. billion code). Then, go ahead and program your wireless keypad, but you may have to go through the process several times by trying the different options until you find one that works!

For me, I had to try 4 options before making it work. Options 1 through 3 (mind you, options #2 was the exact match for my garage door opener model but it would cause the problem discussed here e.g. wireless keypad would work but not the remotes) would not even be recognized by the opener in this procedure (LED would not blink), but it did work once I hit option 4.

I hope this will help you with your problem. Let me know if it's not clear. Cheers!

Jun 24, 2008 | Sears Craftsman LiftMaster Chamberlain...

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