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

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Remote opener I have 3 garage door remotes, I've used 2 of these consistently. The other one hasn't been used in a year and was at a friends house who had access to the garage. It now needs to be used, we put a new battery in it today, it won't work, however, until a year ago it was fine. The green light comes on both the opener and the unit on the garage door. Can you help? Both other remotes are still working fine. Thanks!

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Have you tried to re-learn the remote? The instructions should be inside the opener cover.

Posted on Nov 05, 2008

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The house I am in has a 1/2 hp crafteman garage door opener 41a4315-7c. they left a remote 139.53681b, I cannot get it to work. Is this the right remote?


Make sure the dip swiches in the remote and on the opener are set to the same numbers
IE: 2 In remote has to be 2 in the opener.

Sep 03, 2013 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I bought a new Chamberlain garage door remote control (Model 953EV/EVC) but my garage door opener is date 1991. Can I get this remote to sync with it? I have one remote dated 1993 that came with the...


The 953EV/EVC remote is designed to work with garage door openers at 315MHz (more or less). Your older unit doesn't work at that frequency. I'm not positive but it could be 300MHz.

You need a retrofit unit to use the new remote. See https://aclickawayremotes.com/Liftmaster/355LM-2-315-Mhz-Garage-Door-Opener-Conversion-Kit/index.html for one that works with Chamberlain units.

I hope this helps.

Cindy Wells
(who has 2 pre-1993 garage door openers and two post-1993 units on various buildings. Yes, we run around with 2 remotes everywhere.)

Mar 13, 2013 | Home Security

1 Answer

On the Liftmaster remote control, there are two smaller push buttons to the left of the large button which opens the door. What are the two buttons used for?


You could program these buttons to operate other garage door openers or to control other devices that work on the same frequency. http://www.liftmaster.com/consumerweb/products/pflHomeConvenience.htm has light controllers that let you turn on or off a light in your home with the garage door opener. You can easily program one of the small buttons to control the lighting system instead of the main button. (Thus the light would be controlled independently of the door opening and closing.)

Single button remotes can be purchased but currently most garage door openers are sold with the 3 button versions. http://www.liftmaster.com/consumerweb/products/pflRemoteControl.htm

I hope this helps.

Cindy Wells
(In my household, there are 4 garage door openers installed. When three of the door openers were on the same frequency, we could have had each one respond to a different button on a three-button remote. Now two are on a separate frequency so only two buttons have been programmed on the various remotes. (One group opens the house and workshop; the other opens the house and barn.))

Apr 30, 2011 | liftmaster 83lm Billion Code 3-button...

1 Answer

R garage door opener model 139.53640srt -remote car openers wont work suddenly. have to open using the house opener, whose light is blinking


Press and hold for 3 seconds the lock button on the wall control. The light should stop blinking and your remotes should now work.

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

1 Answer

Garage door is opening when the neighbor open theirs with remot


You say you "setup the remote and the main box but doesn't solve." I think you mean you programmed the unit but I'm not sure. Anyway try holding the smart/learn button in for 10 seconds and this will erase the memory. None of the remotes should work. Now when you are sure the neighbor will not be using their opener, program your remotes. This may be what you did but I'm not sure.

Aug 27, 2009 | Sears Craftsman LiftMaster Chamberlain...

5 Answers

My garage door opener only works from a couple feet away


On the rear of your motor unit just to the left of all those white wires you will see a small light. If this light is flashing randomly it is normal. If it is flashing rapidly it is an indication of interference or you have keyed your remote. It really sounds like interference and you will have to do some more checking things.

315 mhz is the radio frequency and you cannot change that. In fact if you purchase a new opener you will get that same frequency.

Your opener was made by Chamberlain Mfg. Co. that also makes Liftmaster. That may be where the confusion comes in.

Jul 20, 2009 | Sears Craftsman LiftMaster Chamberlain...

4 Answers

2 different openers stopped working by remote at the same time


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

3 Answers

Sears garage door opener


I just found the solution for my 'ancient' Sears garage door opener, model # 139.655000, and I figured I'd share it.

There's a separate radio module, wired to the main opener. This module is small, has a short wire/antenna, and plugs directly into an outlet.

There's a manual open/close button on this module (I didn't realize this until I got up on a ladder). This button is also a removable cover; underneath it is a "smart actuate" button -- this is your learn button.

What I did was: unplug the radio module. Pry off the cover. Plug the radio module back in. Hold down the button on the remote. Press the "smart actuate" button. This programmed my remote successfully!

Jul 09, 2008 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Programing garage door opener remote


ok crystal,calm down this is an easy one! first locate the smart button on your openers , next you will press and hold down the smart button until you see an indicator light above it shut off, while your holding that button the light will be solid ,Now your ready to program your remotes ,first programm one side by taking each of your four remotes and pressing the smart button on machine then pressing the button on the remote you want to program,by doing that you will notice the lightbulbs on your machine shut off and go back on , This is an indicator that your machine has accepted the code , now do it with the other three remotes , after you,ve programmed all four ,go over to the other machine and repeat the process but this time you have to choose another button on your remotes since you,ve programmed all four remotes to the same button on each remote ,just choose the bottom button on your remotes this time to keep them seperated , hope this helps you and it is as easy as 1-2-3 your owners manual will describe exactly the same ,i know because i,ve installed over 27,000 machines working as an installer for sears, please leave a nice feedback rating if i was able to help you, good luck,Sincerely Glenn Mayer

Mar 12, 2008 | Sears Craftsman LiftMaster Chamberlain...

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