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

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The cl;icker works to open/shut door inside garage but not out side...signal weak...new batteries...whaT TO DO

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Some things to check.

Limited range of your remote controls could be related to radio frequency interference that comes from something in your home or in the surrounding environment. Certain electrical devices can radiate interference; this could be almost anything that is plugged into an electrical outlet.



Please keep in mind that the device can be brand new, or can be an item that has been in use for quite a while. Also, the item may continue to function properly as far as you are able to tell. The only problem with the item may be that it has started to broadcast the interference, with no other symptoms noted.



Some devices are more likely to generate interference than others. This includes TV cable, cable amplifiers, surge protectors, fluorescent lights, battery charging devices (power tools, golf carts, etc.), anything that utilizes a timer (sprinkler systems, lights, alarm systems, etc.), and a myriad of others. If the problem seems sporadic, we can safely assume that the device responsible for the interference is only being operated during these times. Again, please keep in mind that the age of the device does not determine if it is capable of broadcasting unwanted interference. Any electrical device can be the source of the problem.

Posted on Nov 05, 2010

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Hi Jackie.
It sounds like your batteries need to be replaced in your garage door opener, they are too weak to open your garage door at a distance. Hope this helps.

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Sounds like a weak battery. A weak signal made even weaker by the thickness of the door.

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Apr 28, 2010 | Sears Craftsman LiftMaster Chamberlain...

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

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If your other remotes are working normally I would suspect first of all a weak battery in the keypad. Secondly the keypad could be getting weak and the closed door blocks enough of the signal to cause your problem. An open door lets the signal through. Normally during the time the keypad is flashing you can hit 'enter' again to reverse the door if it is closing or stop the door if it is opening.

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1 Answer

Liftmaster wireless keypad closes but won't open the door


If you are sure the battery is good you have a bad keypad. The signal strength is so weak it will not penetrate the door.

Aug 25, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Our remotes do not work when the garage door is closed, but they do work to shut the garage door when it is open. help


There are two possibilities here. One is the remotes batteries are weak and need to be replaced. The other is the receiver is going bad. If new batteries don't increase the range of the remotes then you will need to replace the logic board.

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