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

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How to program the remote control door openers Liftmaster 3750E-1?

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Locate the smart/learn button on the rear of the motor unit. Press and hold the button on the remote while you press and immediately release the smart.learn button. Do this for each remote.

Posted on Sep 04, 2010

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I just purchased Liftmaster 971LM for my 139.53975srt1 Sears 1/2hp garage door opener. It will not program. I have only one working remote that was recycled from my father's unit - it says craftsman...


If the recycled remote is Security + there is no logical reason the new units should not work. If the old remote is a different technology and there have been changes to the opener or a different receiver that could be the problem.

Aug 20, 2011 | Sears Craftsman LiftMaster Chamberlain...

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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...

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We have a Liftmaster garage door opener. I bought a new remote control for it - a Liftmaster security plus. I have tried to program it by pressing the button on the garage door opener, then pressing the...


YOU NEED TO MAKE SURE YOUR REMOTE IS THE SAME FREQUENCY AS THE EXISTING UNITS.

IF YOU LOOK ON THE BACK OF THE REMOTE THERE SHOULD BE A FREQ# IF THEY ARE NOT THE SAME YOU NEED TO EXCHANGE THE REMOTE.

HOPE THIS HELPS

Mar 26, 2011 | liftmaster Chamberlain Garage Door Opener...

1 Answer

I have a liftmaster security+ garage door opener. My car remote does not open the door anymore. Is there someway to reprogram the remote again? We are also having problems programing the remote in our car,...


If the instructions for programming your car remote has you using your original remote and the original remote has quit you will need to purchase a new Liftmaster remote.

Oct 06, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Programming remote, unit will not flash.


The easiest way to program is to hold the button on the remote while you press and immediately release the smart/learn button. If it worked before there is no reason for it not to work now unless it totally failed.

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

3 Answers

Liftmaster Professional and Clicker Programming Problems


The Security+ system is a rolling code system and is digital, so it will work with the Homelink in vehicles and with the remote control units that come with the opener. Also with new remotes that are purchased specifically for that opener. Your "clickers" require specific instructions and you need to use the Smart Learn function in order to use them with this opener. In addition, check the Brand Switch settings to be sure they apply to your opener, and the correct Smart Button color on the opener. Read carefully to determine whether you need to set ANY dip switches at all or can you just set them all to off depending on your opener? Check the instructions carefully. Here's a link to the page where you can download a copy of the Clicker instructions if you don't already have it:
. Clicker Model CLT1D Remote Control Owner Manual

May 14, 2009 | liftmaster Chamberlain Garage Door Opener...

1 Answer

I have a 51-C Camberline Gar. Door Remote Where can I find match


The klik-1 will code in to this opener. The directions on the manual are very specific, but if followed it will work. There is also a number for step by step help on the directions. Thanks BB

Dec 30, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Need to change my remote code after divorce


Follow this link for the manual and look on page for programming.
http://www.google.com/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=oMg&q=liftmaster+garage+door+openers+manual&btnG=Search

Dec 16, 2008 | Sears Craftsman LiftMaster Chamberlain...

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