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

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Reprogram craftsman keypad model #139.53684 to 1/2 craftsman garage door opener. I have to input the numbers 2x for it to work. sometimes after 2 times it still doesn't open the door

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I've had a similar problem with the keypad that came with the model #139.53985D that I bought about 4 years ago. I've had the problem since installation. I have found that if you wait 2-3 seconds to hit "enter" after punching in the passcode, the door will open. I just do a quick "3 count" -- I guess I could even say "open sesame" :) before hitting "enter." Also, make sure the antenna (the wire that hangs from the garage door opener unit) is hanging STRAIGHT down: no twists, kinks, or curves in the wire.

Posted on Nov 08, 2010

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Sounds like the keys may be going bad. May be time for a new keypad.

Posted on Oct 16, 2010

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1 Answer

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I have a 1/2 hp Sears Craftsman garage door opener dated 7/96 Canada I reprogrammed the remotes but I cannot reprogram the key pad. I push the square button and have someone punch in four numbers and hold...


If you have a wireless keypad you need to do just what you are doing except after pressing the last number you need to press enter. If your keypad is hard wired post back because the instructions are not the same.

Jul 08, 2009 | Sears Craftsman LiftMaster Chamberlain...

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Here is a link that will give you the programming instructions for your model.
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Apr 06, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I want to re-program my keyless garage door.


Mulleta,

If you look on the back or side of the garage door opener you will see a small square red/orange button.
Push the button one time, and you will see an amber LED come on. Go to your keypad enter a four digit (of your choice) then press and hold the the enter button until the garage door opener light flashes and you hear a clicking sound. You can release the enter button and it will be reprogramed.

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

2 Answers

How to reprogram Sears Mult-Function Keyless Entry garage opener


On the garage opener that actually opens the door the one on the ceilling has a green or orange button that is called the learn button just press and release it you have 30 seconds to punch in a 4 digit code and when your done press and hold the enter button until the lights on the garage open blink once or twice then just press the code again and it will open the door press enter once to reverse the effect and and twice to stop the door completely.


Hope that helps

Jan 15, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

WHEN I INPUT THE CODE IT FLASHES QUICKLY DOOR DOES NOT OPEN AND REMOTES DO NOT WORK ANY IDEAS


Try reprogramming the keyless and the remotes. Sometimes yhe operator forgets all the codes.

Jan 03, 2009 | Sears Craftsman LiftMaster Chamberlain...

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