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

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We have 2 remotes with our Craftsman garage door opener, besides the outside key pad. We had to get a new battery for one of the remotes, the old battery died. But now can only get one remote to work at one time. You program one remote and then the other does not work. You program the other, then the 1st one doesn't work. How do you get both to work at the same time?

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You can't. You need to find which remote works with the keypad and discard the other one after removing the battery. Then you will need to purchase a new remote making sure you get the same model number as you already have. One of your remotes has reverted to an earlier technology and replacement is the only cure. The explanation of this problem is the manufacturers not mine.

Posted on Jul 17, 2009

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Posted on Jan 02, 2017

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