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

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Key pad does not always open door

Key pad (6 wire pad) often works then for some unknown reason will not work for about 6 attempts then for a few days works again.

The bottom door panel is showing signs of wear, blood pressure is going up and hammer is locked in garage when needed to adjust key pad

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It sounds like the contacts on the keypad are going bad. A new opener with the wireless keypad is the answer.

Posted on Sep 08, 2009

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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.

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