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Is it possible my neighbors control is opening my garage door

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This can happen. There are several things that can cause this especially in older units. Post the make and model

Posted on Dec 02, 2016

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The frequency of the garage door opener is the same as the one down the street. Is there a way to change frequency on the Lift-Master Professtional Line Garage Door opener?


This appears to be your problem.Your door sometimes is opening unexpectedly and inadvertently when a seen or unseen neighbor uses his or herremote door opener; or a neighbor wonders why his/her own door always seems to open shortly after you drive by; and you wonder if her and your remotes should not be transmitting each at its own unique frequency level. Or in the worst case, someone, possibly a prankster, possibly someone more nefarious, is driving through neighborhoods punching a remote to see if any garages respond (and if any indoor occupants respond).

Its transmission radio frequency is not what sets one garage door remote apart from any other. Instead, each door remote controller transmits in rf adigital codeinto the air near your house, and any door opener power head set to the same code recognizes the code and is commanded to energize its power head motor to raise or lower the attached door in reverse of its last most previous transport direction. The chance, probabilistically speaking, of any two near-neighboring houses' garage doors (or even a random, travelling remote) being set at the exact same code among the large number of available alternative codes is quite remote, but it can sometimes happen.

The solution is for the house owner--that is you-to change the reception code in your door opener power head unit by repositioning small selector contact switches in a code pad situated on the power head, typically behind a plate or cover of some kind--or you might have to remove the power head cover. Once found, it is fairly easy to do by setting the numbered or lettered switches to form a multi-digit code, much like a digital padlock combination except in binary or some base other than decimal. Next, record the new code, and change the code by the same means and method on all associated remote control instruments. It is not a bad idea to change garage door remote access code from time to time simply as a matter of routine garage door and door opener maintenance. Check for code switch location and setting procedure for you power head in user manual or on line. That should be the end of the problem and also discourage anyone casing your neighborhood for potential unlawful entry vulnerability.

Feb 18, 2015 | Building Materials

1 Answer

Garage door opens by itself. Maybe neighbor has same code?


This is generally caused by a bad wall control or the wiring going to it. Make sure there are no staples cutting through the insulation. You can temporarily remove both of these possibilities by removing the wire at terminal #1 on the rear of the motor unit. You can then hook that wire back up and remove one of the wires from the back of the wall control.

Jan 03, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I live in a 4-unit condo building constructed in 2008. Recently, after I trained/programed a garage door opener incorporated in a new car I purchased, I discovered that my garage door started to be...


I would recommend this. I'm not sure this will work, but I think it will.
Try starting from scratch. Reprogram the unit to the car again, I think the codes change each time it is done. If not, it's not too difficult to try.

Jan 01, 2011 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Garage door is opening when the neighbor open theirs with remot


You say you "setup the remote and the main box but doesn't solve." I think you mean you programmed the unit but I'm not sure. Anyway try holding the smart/learn button in for 10 seconds and this will erase the memory. None of the remotes should work. Now when you are sure the neighbor will not be using their opener, program your remotes. This may be what you did but I'm not sure.

Aug 27, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My neighbors remote opens my door too!


Most usually this is caused by a bad wall control or the wiring going to it. You can eliminate both possibilities by removing the wire from terminal #1 on the motor unit. The wire is sometimes intermittently shorted by the staples used for installation. The wall control just goes bad. Post the model number of your opener.

Jun 28, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Neighbor opening our garage door


Report this problem to the Manufactuer stating your model number of controller and remotes too and they may help solve your problem faster than getting offside with your neighbour,apart from that the remotes and motor controller may need replacing to give you more security and control over your own secure enviroment,

I have fitted many security devices,alarm panels,cameras,sensors,keypads,etc,
and never had to repair this type of fault as the supplier or manufactuer has always assisted with their products thru warantee or advice,

I have 20 years of experience in the industy in NZ,Thanks MISTERDJ

Jun 12, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door opened by neighbor


Have you seen the neighbor open your door? The reason I ask is because it is almost impossible. The most common cause of a door opening by itself is a bad wall control or the wiring leading to it. You can temporarily eliminate both possibilities by removing the wire from terminal 1 at the rear of the motor unit. Do this and ask your neighbor to bring over his remote and try it on your opener.

Jun 11, 2009 | Sears Craftsman LiftMaster Chamberlain...

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