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

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Programming remote, unit will not flash.

Liftmaster security+ pro 1/3HP garage door opener 41A5021-1D front light not working and light in back will not flash while trying to program remote. 41A5021-1D unit has red button on back that won't flash to program remote which has yellow light. Remote was working before I messed with it while I was trying to program car remote (built into car) :o( Successfully programmed first remote on door #1. HELP

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The easiest way to program is to hold the button on the remote while you press and immediately release the smart/learn button. If it worked before there is no reason for it not to work now unless it totally failed.

Posted on Oct 05, 2009

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Thanks for your useful comments

Posted on Nov 20, 2012

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