Question about liftmaster Chamberlain Garage Door Opener Transmitter 300MC

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My liftmaster 1265 won't open with the remote, unless I am standing under motor assy. I just purchased a new remote model 375LM. I don't know what I need to check or do to increase the distance I can be from the door. It did open about 25' from the door, then it stpped, so I got a new remote, as that is what the door company said I needed.

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No range on your remotes or loss of code all together is a receiver problem not a remote problem, You probably did not need a new remote.
You can try to extend the antenna ( wire hanging from the motor) for more range
Or Unplug the motor from the outlet wait 30 seconds and plug back in ( trying to reset the circut board). Also If you are useing florecent bulbs in the garage ( the little twisted ones) these can affect the range on the remote.

Posted on Oct 08, 2010

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