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Liftmaster garage door opens by itself intermittently

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Check the codes on the sender and receiver. You did not post the model but something could be on the same channel

Posted on May 20, 2017

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Posted on Jan 02, 2017

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1 Answer

Why does my LiftMaster garage door opener open the door at random?


basically,first check and clean the lid switches or sensors and or got broken switch and not on it`s proper position.

Jul 23, 2014 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have 2 lift master garage door openers that are producing errors when you hit the buttons to open 2 different doors. 1. I get error code 11 (sensor blocked or miswired)-there is nothing blocking...


If your garage door is up, and you break the beam (by walking through it, for example), you will get the "SENSOR WIRING INTERMITTENT CONNECTION ERROR CODE 1-4 SEE USER MANUAL". This is normal. Both of my Liftmaster 8550 openers do this. It's misleading, but this is what I've found to cause this error.

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1 Answer

My liftmaster 3280 opens by itself occasionally. I have tested springs and they test fine.


Change the codes on the remote and of course the lifter itself, sounds as if some one in the neighborhood has programmed the same codes nearby.

Jan 02, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a Liftmaster garage door opener & remote. The remote began to work only intermittently. I replaced the battery (I didn't reprogram remote when battery was changed & remote worked for a...


COULD BE A BAD REMOTE, I WOULD TRY ANOTHER ONE FIRST.


COULD BE A FREEZER ETC. PUTTING OUT INTERFERENCE.


OR


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

Nov 10, 2010 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Intermittent remote trouble


Your wall control is hard wired and doesn't use the receiver portion of the logic board. The remotes do. Your receiver is going bad.

Jan 12, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Access Master Garage Door Opener opens by itself


The most common cause of this is a bad wall control or the wiring going to it. The wall control goes bad from use and the wiring sometimes has intermittent short caused by the staples the installer used.

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

1 Answer

Craftsman Garage Door Opener Intermittent


Yes your receiver is bad and it is part of the logic board.

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

1 Answer

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.

Jun 02, 2009 | liftmaster Chamberlain Garage Door Opener...

2 Answers

Liftmaster pro garage door opener opens randomly


CHECK FOR REMOTE CONTROL DAMAGED OR WALL CONTROL SHORTED WIRE

Apr 22, 2009 | Sears Craftsman LiftMaster Chamberlain...

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