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

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Change codes how do i change the code on the key pad and remote garage door opener?

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Changing code on keypad


i have a lift master chamberlin garage door opener and need to change the code on my key pad outside, k\my problem is i have no enter button when i put my new code in on my key pad, does anyone know how to help me change my code on my keypad without the enter button....there is a pound and star button

Jan 04, 2014 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

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...

1 Answer

Good Morning My name is Raj. I have a CRAFTSMAN Garage Door Opener 1/2 HP, model# 139.53635SRA (OR) T as the last letter. Issues: I cannot CLOSE Garage Door either with remotes or with key pad by...


If the main light flashes 10 times when the door reverses to the open position it is your door sensors. Make sure the small light on each one is lit and not flickering. Tweak them a little. If you cannot get both lights to come on you have bad sensors.

Sep 30, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I need to change the key pad to my chamberlain whisper drive garage door opener. Recently got divorced and ex has the origional key pad entry number. I can not find anywhere that knows how to change it....


Press the colored learn button on the motor head until the led light by it goes out. This erases all old codes out. Make sure you have all the remotes handy too. -----Press and release the learn button and then press the button on the remote. For multiple remotes repeat from -----. For a keypad press and release the learn button and then within 30 seconds enter in the 4 digit code(different than the old one) and enter. This should do it. Thanks BB

Aug 29, 2010 | Chamberlain 1/2-HP Whisper Drive Belt...

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

Deprogram an old code...


To do this you must hold the smart/learn button in for 6 seconds. This will erase the memory of the receiver and you will have to program your remotes plus the keypad.

Jul 14, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

The lights on my Chamberlain garage door open remain ON all the time.


Easyer then that, you die!

Get on your step ladder, ( if you don't have on, get on *********** in-law's back for a change,) ,

press the read button of your unit (motor) and a led should light up,

key in the new code on your key pad, then press the enter button of the key pad,

the light of the unit should blink and the job is done, unless you are standding on *********** in-law's back then repeat all the a/n instruction, question of makking sure it is done right,lol,

Seriously, this is the only way I know to re-program them, if you don't want the lost code to be used by someone that might know it, do a reset on the unit before keying in the new code.

Remember, if you reset the unit, you have to re-enter all of your garage door remote control of that specific unit

Have fun!

Viper man!

Jun 06, 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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