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

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2 different openers stopped working by remote at the same time

I have an older genie and a newer chamberlin . The chamberlin is controlled by 2 factory remotes, the genie is controlled by universals. They all stopped working at the same time.I reprogramed the chamberlin remotes. They worked at first then they didn't. I purchased a new universal, programed both doors but I have no range. Help me if you can. I also have a keypad that seems to work fine as do the hardwired buttons.

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I also have same problem. Three Garages two on one side of the house and one on the other. until this morning all garage remotes worked for each of the garages. This morning none worked. Only thing I can think of is we are under Orlando Flight Path could some interference or EM Pulse cause the garage openers to scramble. Similarly the hard wired buttons still work so not the doors. Little freaky???????? Going to try and re program in the morning and hope that works. If not will try buying a bunch of new remotes.

Posted on Jan 03, 2015

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How do I program a new remote control to my Craftsman Universal Receiver 315MHz

Posted on Apr 02, 2011

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You might have a remote interference problem! so to fix this and make your life a little more convenient you should go to home depot, or lowes and buy 2 liftmaster receiver kits, the kits come with a receiver and a remote, so that way you can operate both doors from 1 remote, each remote should have 3 buttons

Posted on Oct 26, 2009

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Both the older genie and a newer chamberlain (3-4 yrs old) both run on 390Mhz frequency. sounds like you will have to change your receivers on both operators (365LM 315Mhz) then get 3 button remote so you can program both doors on one remote.

Posted on Jan 04, 2009

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