Why Do Garage Doors Randomly Go Up?

My garage door has been acting up for about 6 months. This fall one of the springs broke and we had it replaced. But the door still goes back up for now reason at all – randomly.

So when Joe contacted me to write a guest post about garage doors, I knew just the question I wanted answered…

Why Do Garage Doors Randomly Go Up?

One of the most frustrating, and potentially dangerous, aspects of having a power garage door opener is that the garage door occasionally goes up without the remote switch ever being activated. There are a few, proven reasons and explanations for this seemingly bizarre and disturbing, mechanical phenomenon.

Surges of House Electrical Power
Electrical power runs through every house 24 hours a day. Power surges of voltage, amperage or wattage that’s either too high or too low for either a short or long duration can commonly interfere with the electrical frequency and precise code inside the remote control. Therefore, the remote can be “activated” without any tangible finger pressure simply by the house’s electricity tripping and popping the specific electrical charge that’s routinely channeled through a remote.

Thunderstorms & Lightning
When thunder and lightning occur, the astronomical and unstable voltage of electricity can easily and often trigger the remote to power on electronically and then transfer that power into the mechanical/physical power or inertia that unknowingly lifts the garage door. Lightning is extremely unpredictable and lightning strikes the earth surrounding homes and garages at such a rapid pace, literally hundreds of thousands of times a day in even a moderate rainfall either during the day or during the night. This phenomenon cannot be controlled or rectified as it’s simply nature at work.

Electronic Equipment/Circuitry
If you live near a business or one or more of your neighbors has and are using any type of device with electronic circuitry that’s compatible with the specific code circuitry matrix inside your remote, your remote will be triggered and the door will randomly open up. These devices can include ham radios, certain cell phones, telephone listening/bugging machines, certain channels on satellite or cable TV and even regular stations being played on a standard AM/FM radio, or when the radio is between stations and receiving static or white noise.

Malfunctioning Remote Control
An improperly programmed garage door opener remote control will definitely cause your garage door to randomly go up, and even down in some cases. Many times remotes just naturally lose their memorized and recognizable program code through no fault of either the operator or external elements such as weather, electrical surges or compatible electronic circuitry. Just have the remote correctly reprogrammed.

Old Batteries
One of the simplest ways to fix a randomly opening garage door is the exact same cause of the malfunctioning action: the batteries. Change them with brand new ones. The fix is often just that simple, as many remote control owners have found out after a trip down the battery aisle of their local supermarket.


This is a sponsored post from Mid-Atlantic Door Group, a leading garage door company, proudly serving businesses and residential homes with all of their garage door, and garage door repair needs.


  1. says

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  2. Gil says

    A few years ago I noticed that when I arrived home & used my Lexus Homelink to open my garage door (LiftMaster 3220 1/2 hp), my next door neighbor’s garage door would open. Theirs closed when I closed mine. Talking to the HomeLink people over a period of days we found that when I changed the HomeLink button that opened my door, the neighbor’s stopped responding to my HomeLink.
    A couple of weeks ago, I noticed the same issue with the new neighbor across the street. Same solution worked again.
    Last couple of days we found “our” garage door opened after being away, & again this morning after being certain it was closed when our daughter left last night.
    I guess I have to survey all our neighbors or just the Lexus owners.
    Anyone have a clue?

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