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I have the 940cb garage door opener. When I try to use my keypad, it only allows me to close the garage doors but I can't open the doors with the key pad? Any ideas what may be wrong? Thanks, Shari

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You might try to un nook the wires off the wall unit, it may be shorted.. go here and chek this site out..HOW2
IF I WAS OF HELP TELL ME THANKS JAY

Posted on Sep 12, 2010

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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

Need to change the code on my key pad


Here is a link to the instruction manual Chamberlain 940CB wireless keypad look under Chamberlain Liftmaster garage door opener manuals - Other types

Jan 06, 2011 | Chamberlain 940CB Security and Wireless...

1 Answer

Model 940CB/67LMTrouble free for 10-12 years. Now with a new battery after code + enter it will flash about 60 times very fast will not open the door. The door opener works fine with the button on the wall...


You can try programming it but I have a feeling it is bad.

Locate the smart/learn button on the rear of the motor unit. Press and immediately release this and then walk over to your keypad and key in your 4 digit code and press enter.

If this doesn't work you will need a new keypad.

Jun 19, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

HOW RESET CODE FOR 940CB/67LM CHAMBERLAIN OPENER,


The learn button is the first button to the right of the LED.

May 14, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

HOW RESET CODE FOR 940CB/67LM CHAMBERLAIN OPENER, DONT SEE LEARN BUTTON ON LIFT MASTER OPENER MODEL MT 5011


The learn button is just above terminal 3 on the terminal board. You might want to call Chamberlain Technical Support Helpline at 800-528-5880 with that opener.

Mar 25, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I need to reprogram my chamberlain security plus keypad model 940CB/67LM. I tried and failed now can't get it to work. Can you please help?


Make sure the battery is good and it is the correct model for your opener.

On the rear of the opener near where all those white wires are you will find the smart/learn button. Press and immediately release this and then walk over to your keypad and key in your 4 digit code and press enter. If this doesn't work you have a bad keypad.

Oct 23, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door will only close with keypad code it will not open


UNPLUG THE UNIT AND WAIT 5 MIN.
WHEN YOU PLUG IT BACK IN CLAER ALL CODES BY HOLDING DOWN THE PROGRAM BUTTON FOR 20 SECONDS.
NOW TRY TO PROGRAM EACH REMOTE AND KEYPAD - IF THERE IS STILL A PROBLEM CHANGE THE BATTERIES AND REPEAT THIS PROCEDURE.

I HOPE THIS HELPS

Mar 31, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Keypad will close door, but not open it!


Try changing the battery and reprogam the keypad. The code remains active for about 30 sec. after it is entered into the keypad which allows you to press enter to change direction of the door

Jan 18, 2009 | Sears Craftsman LiftMaster Chamberlain...

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