Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ Logo
Posted on Oct 29, 2009
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Craftsman 1/2 hp screwdrive, model 139.53927 works fine on the wall switch but we can't set the remote; light goes on but doesn't blink upon completion of setting sequence 1)press/hold remote push button 2)press/release receiver smart button 3) **when opener lite flashes, release remote button**(nope!!??)

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  • Master 3,197 Answers
  • Posted on Oct 30, 2009
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Joined: Apr 29, 2009
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The wall control is hard wired and doesn't use the receiver in the logic board which the remotes do. You most likely have a bad logic board.

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