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

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My Chamberlin remote garage door opener stopped working.

As stated above, my remote opener stopped working. I replaced the battery and it still does not work. I tried reprogramming it, still no good. I bought a new remote opener and tried programming it and that does not work either. My Chamberlin opener unit has a blue "learn" button and no external dip switches. The original opener does not have accessible dip switches but the new one does. These are accessible through the cover for the battery. The opener is less than a year old. The opener unit does work from the manual pushbutton mounted inside my garage.

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  • Anonymous Mar 14, 2014

    remote wont work
    have to reset

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Posted on Feb 16, 2009

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1 Answer

My condo has a Chamberlin Elite Model sl 3000ul3. I have a 2015 Lexus & am having trouble programming the garage door opener with the car. Can you help?


go to manualsonline.com and find the garage door model's manual. read it along with your cars owners manual. make sure you are parked close/under the opener as you try to program for best results.

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May 10, 2010 | Sears Craftsman LiftMaster Chamberlain...

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Apr 03, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

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Feb 24, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

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Replacing 315 with 390 OR 390 with 315? I had same problem which went away on its own. Did you buy any new electrical or electronic products just before problem started? I had this with a customer who had electrical interference from within house or a neighbor's satelite dish. You can try turning off breakers one at a time to isolate circuit causing problem .

Feb 21, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

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Your keypad is not the same "generation" as your remotes. You operator will work with your security plus remotes or your old keypad but not both. Yor cheapest solution is to replace your keypad.

Feb 06, 2009 | Sears Craftsman LiftMaster Chamberlain...

4 Answers

2 different openers stopped working by remote at the same time


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.

Jan 01, 2009 | Sears Craftsman LiftMaster Chamberlain...

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