Question about liftmaster 373lm Liftmaster Craftsman Opener Remote Transmitter

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The garage door doesnt open or close with the remote . it works with the console inside the garage or with the code activated device outside . what should i do ? Norbert

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Try changing the battery, if that does not work its time to look for a replacement.

Posted on Mar 23, 2011

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Garage door opener remote does'nt work when the garage door is shut


Probably you have a weak battery in your remote transmitter. When the garage door is closed it requires a stronger signal. Open the remote and replace the battery.

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My Craftsman remote won't close my garage door


If the remote opens and closes while inside the garage but not outside , there are a few things it could be. Assuming it was working fine before..
1. weak battery in remote.
2. remote itself could be bad. (unless you have more than 1 remote acting the same)
3. Logic board in opener is going bad causing limited range.Is the wire that hangs down from the opener straightened out? That is your remote antenna.Some people have coiled or even cut it off..reducing range.
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Jan 28, 2010 | Sears Craftsman LiftMaster Chamberlain...

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Raynor garage opener-remote only works close up sometimes


check to seee if the little wire that hangs out of the operator is hanging out. This wire is the ant. if this is not the problem replace the 12volt battery you can buy them anywhere. make sure you didn't cut off the ant. wire (I have seen customers cut thios wire thinking its an extra and not needed or place the wire inside the box very little signal that way have to be very close)

Jun 05, 2009 | Building Materials

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Liftmaster Remote garage door openers work intermittently.


check to see if your ant. is up inside of the cover it's a little black wire that hangs outside of the operator shiould be about 6 inch.

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Garage door shuts down, need to press reset to get it to work


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May 14, 2009 | Sears Craftsman LiftMaster Chamberlain...

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Remote will not open or close door when temperature is cold.


if this is an outside remote the best you could do is maybe put someting to insulate the remote if it is in your car don't leave it on the visor put it in the glove box or maybe the center console it is obvious that expansion/contraction physics are playing a part

Apr 14, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door will only close with keypad code it will not open


UNPLUG THE UNIT AND WAIT 5 MIN.
WHEN YOU PLUG IT BACK IN CLAER ALL CODES BY HOLDING DOWN THE PROGRAM BUTTON FOR 20 SECONDS.
NOW TRY TO PROGRAM EACH REMOTE AND KEYPAD - IF THERE IS STILL A PROBLEM CHANGE THE BATTERIES AND REPEAT THIS PROCEDURE.

I HOPE THIS HELPS

Mar 31, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Remote won't work outside of garage it works up close


doesnt work at all or only close. if not at all, recode remote. if short distance, try reaiming antenna wire.

Dec 25, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Remote only closes the garage door, will not open it


Anytime a door opens and/or closes randomly or doesn’t work consistently I look for a smashed wire between the motor unit and the wall button.

If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door or interfere with the remote signal.

Loosen the staples with a small screwdriver and slide the wire about ½ inch to move any areas of thin insulation away from the staples.

The second thing would be a bad wall button or a remote with a sticking button.
Or a remote in someone’s purse that gets the button pushed by other stuff in the purse.

The test is to disconnect the push button wires at the power unit. If the self operation / interference stops you have located the problem. If you reconnect the wires and disconnect the wire at the wall button this will tell you if the problem is the wire or the button.

In your case the expansion of the wall in the afternoon may be enough to cause pressure on the wire to increase the problem – works in the morning but not the afternoon.

Also after you change the batteries you need to reprogram the remotes.

HOPE THIS HELPS

Aug 08, 2008 | Sears Craftsman LiftMaster Chamberlain...

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