Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ Logo
Posted on Dec 22, 2009
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Door will open but not close with remote

One sensor light is on, one is off. Door will open with remote but not close. Door can be closed only by holding down the big button on the main control until door shuts.

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  • Master 3,197 Answers
  • Posted on Dec 22, 2009
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Joined: Apr 29, 2009
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The light on both sensors must be on for it to close. Tweak them a bit to see if they are properly pointed at one another. If you cannot get the light to come on you most likely have bad sensors.

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