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

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Garage door pad

I just purchased the house and the old owner dont gave me the manual for the garage. I want to set a new code for the pad that is located outside the garage door but i dont know how to the the manual. is a craftman sears and i looked inside the keypad and the number is 031D0359 thanks

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  • lolo-retta Aug 07, 2008

    sears craftsman garage door wireless key pad

  • geremepullin Aug 10, 2008

    I just purchased the house and the old owner dont gave me the manual for the garage. I want to set a new code for the pad that is located outside the garage door but i dont know how to the the manual. is a craftman sears an

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You need to press and release the learn botton (don't hold it or you will clear all the codes)
If the light bulb(s) on your operator are on the front and/or back, the learn botton is on the back of the operator. If the lights are on the sides of the operator then the learn botton is on the right side (looking from the back of the operator and facing the garage door). 
After you press the learn button you have about 30 seconds to press in the new 4 digit code in your key pad then hold the enter button until the light on the operator blinks (about 2 seconds). If this does not work check the battery and try it again.

Posted on Feb 07, 2009

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1 Answer

The frequency of the garage door opener is the same as the one down the street. Is there a way to change frequency on the Lift-Master Professtional Line Garage Door opener?


This appears to be your problem.Your door sometimes is opening unexpectedly and inadvertently when a seen or unseen neighbor uses his or herremote door opener; or a neighbor wonders why his/her own door always seems to open shortly after you drive by; and you wonder if her and your remotes should not be transmitting each at its own unique frequency level. Or in the worst case, someone, possibly a prankster, possibly someone more nefarious, is driving through neighborhoods punching a remote to see if any garages respond (and if any indoor occupants respond).

Its transmission radio frequency is not what sets one garage door remote apart from any other. Instead, each door remote controller transmits in rf adigital codeinto the air near your house, and any door opener power head set to the same code recognizes the code and is commanded to energize its power head motor to raise or lower the attached door in reverse of its last most previous transport direction. The chance, probabilistically speaking, of any two near-neighboring houses' garage doors (or even a random, travelling remote) being set at the exact same code among the large number of available alternative codes is quite remote, but it can sometimes happen.

The solution is for the house owner--that is you-to change the reception code in your door opener power head unit by repositioning small selector contact switches in a code pad situated on the power head, typically behind a plate or cover of some kind--or you might have to remove the power head cover. Once found, it is fairly easy to do by setting the numbered or lettered switches to form a multi-digit code, much like a digital padlock combination except in binary or some base other than decimal. Next, record the new code, and change the code by the same means and method on all associated remote control instruments. It is not a bad idea to change garage door remote access code from time to time simply as a matter of routine garage door and door opener maintenance. Check for code switch location and setting procedure for you power head in user manual or on line. That should be the end of the problem and also discourage anyone casing your neighborhood for potential unlawful entry vulnerability.

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Try programming the keypad like this:

Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to the keypad and key in any 4 digit code you like and press enter.

After programming the keypad see if either remote will work with it. Post this information also.

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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.

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Try going here and clicking on your specific model. Each models page has instructions included.

http://www.aclickawayremotes.com/Liftmaster/help.html

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1 Answer

Changing code on keyless pad on old garage door opener


NOT FAMILIAR WITH CRAFTSMAN MODEL NUMBERS

IF THE UNIT HAS SAFETY EYES YOU SHOULD BE ABLE TO FIND A SQUARE PROGRMING BUTTON.

PRESS AND RELEASE YOU NOW HAVE 20 SECONDS TO INPUT THE NEW CODE ON THE KEYPAD AND PRESS ENTER.

HOPE THIS HELPS

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