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

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Remote control to garage door only works when iam one inch from u

Remote control stop working two to three feet from the unit if i put the remote close to the unit it works, iam trying to find out the problem.

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I had a simaler problem, after installing a shelf to get rid of clutter and organize tools. I had traced it down to a Rigid cordless drill charger. The garage door opener signal was interfered with only when the battery pack was on the charger,my other drill charger have no affect on the garage door remote performance but when I charge that battery pack the range is cut down by 75 to 100 feet, it is amatter of finding out what is interfering with your signal. Same principal as using a jammer to disrupt police radar. I hope this helps

Posted on Jun 01, 2009

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Put new batteries into the remote.

Posted on May 31, 2009

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1 Answer

I have 2 Merlin MR800 garage doors operating side by side. 1 door stopped working with the remote, however it WILL open the door if you hold it right next to the unit.


What kind of light bulbs are you using? I know it sounds crazy but the new LED and the old CFL can interfere with the range of the transmitter by blocking the signal to the receiver

Mar 21, 2016 | Building Materials

1 Answer

I have a liftmaster formula 1 1280R opener that works fine from the wall mount but all of a sudden both remotes and the built-in remote in my car stopped working. It is not the batteries in the remotes. ...


The motor/control unit may have gotten reset. It needs to relearn the codes transmitted by the remotes.

MIne has a "learn" button on the control unit. Press and hold, then press the button on the remote. Lights will flash indicating it has received and stored the code. Release button.

Check to see if the remote works now. If so, all three should be working. If not, dig up your manuals.

Feb 28, 2013 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door only raises about two inches then stops.


Check the door springs and also remove the cover from the motor unit and check the drive gear. The door spring could be broken or the drive gear may be stripped.

The sensors only work when the door is closing.

Jun 15, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Wall control works only sporadically, when it does work I have to hold it down for 3-5 seconds. The three other openers I have owned all worked with just one press of the button to open-stop or reverse the...


Check or change your batteries. Age and weather can effect a frequency change in the transmitters performance. Are the car remotes still functioning at their original distance? If there OK then the receiver in the garage is still "tuned in". I am assuming your describing a "remote" wall control unit.

Apr 11, 2010 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Liftmaster 1/3 HP. Remote and wireless keypad stopped working.


Sounds like the reciever for you wireless devices is not working?

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

5 Answers

My garage door opener only works from a couple feet away


On the rear of your motor unit just to the left of all those white wires you will see a small light. If this light is flashing randomly it is normal. If it is flashing rapidly it is an indication of interference or you have keyed your remote. It really sounds like interference and you will have to do some more checking things.

315 mhz is the radio frequency and you cannot change that. In fact if you purchase a new opener you will get that same frequency.

Your opener was made by Chamberlain Mfg. Co. that also makes Liftmaster. That may be where the confusion comes in.

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

1 Answer

My garage door opener remote range limitted


Hi,
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.
Rustym62

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

2 Answers

Garage door only opens with wall unit


a component in the wall unit is failing , that makes the conection happen when the remote signal is recieved , ( it is recieving the remote signal but not sending it out to the control circuit for the motor )

Dec 29, 2008 | Sears Craftsman LiftMaster Chamberlain...

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