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

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Motorlift garage door remote range

My remote only works near the garage door now even replaing the remote and changing code makes no difference .its about 5 yrs old it used tgo work down the road.

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  • tony513 Jul 25, 2009

    does this mean a new complete unit or can i nget a reciever logic board seperatly



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Your receiver is going bad and should be replaced. It is part of the logic board.

Posted on Jul 20, 2009

  • Don Maggard Jul 27, 2009

    You can get a new logic board. Any good door opener company will have one.



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I purchased a model 139.53915D garage door opener a couple of months ago. My problem is I have come home twice to find the door wide open for no reason. Today I came home and it was open half way. This is...

Take your remote and your garage door opener and change the codes on them. You will have to take the cover off of the garage door opener to do this also. You will see where you can choose a different code. Just make sure you have the same code set on the opener as you do on the
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Replaced batteries.changed codes verified not in lock position checked wiring-checked breakers -remotes dont work have 2 different units-one commercial all stopped working on same day -need help

I have the Same Problem...
2 similar but independent 315MHz Craftsman door openers stopped receiving any remote signals at the exact same time. One hour they worked , next hour they didn't, no storms in area.

I know remotes are good because they still open our subdivision gate. the Only way to open door is with wall pad. Verified that they are not on vacation lock. 5 different remotes, 2 different keypads all no longer open door.
I tried resetting codes with learn button but they won't take new programming. Also before when an unlearned remote was used in the area, the learn light would at least flicker (as if it was receiveng a code, but rejecting it) It no longer even does that.
i even cycled the circuit breaker and the vacation lock, no help.

Does anyone know how to fix this?

Oct 25, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My garage door opener remote range limitted

Yes the receiver can go bad over time and lose range. Most likely the receiver cost plus the labor will cost as much or more than a new unit...depending on who does the repair. FYI another cause of reduced remote range can be signal interference from other sources which would be a little harder to track down unfortunately. Wireless routers, new appliances anything with electronics are a possible source of trouble.If you or a neighbor bought any new gadgets there's a small possibility of thatbeing the issue. But based on the age of the unit that's my first guess.

Apr 30, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Light flashing for 2 minutes after operation




Jan 20, 2009 | Sears Craftsman LiftMaster Chamberlain...

5 Answers

Opens when we're not at home

Here is the manual, so you can change your code. This should FixYa:) Let me know if you need more help!


Nov 03, 2008 | Sears Craftsman LiftMaster Chamberlain...

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