Why Do My Electric Gates Keep Opening?

One of the biggest benefits of having electric gates is the additional protection they offer your home. It’s naturally therefore rather unnerving if they suddenly start opening themselves. 

It’s something I experienced myself a few years ago. My heart sank as I got home from work to find my sizable gates wide open for anyone to access. 

To that end, I did a fair amount of research into the causes of my electric gates opening. In this article I want to save you the time and effort, and talk you through some simple things anyone can check with little or no technical knowledge. 

What to Check With Electric Gates That Keep Opening

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Why Do My Electric Gates Keep Opening?

I’ll be honest: it often isn’t possible to fix your own electric gates if they keep opening. But before you go and ring an engineer there are a few things you might like to consider. 

Obstructions

All modern electric gates have safety features to prevent them closing when an object is in the way. In this way you can be confident your gates won’t smash into your car if you happen to stall while driving through them.

However this same safety feature can become a frustration under certain circumstances. An electric gate that keeps on opening itself may be sensing an obstruction you haven’t noticed. 

While uncommon, this could be anything from a pot plant to an overhanging branch. Sometimes removing this “obstruction” solves the issue instantly. 

Faulty Sensors

Faulty sensors are the other side of the obstruction equation. Sometimes a sensor thinks it sees an obstruction even when it isn’t there. Sometimes a sensor becomes dirty. Sometimes sensors are misaligned, such as after being knocked by a car, a pedestrian, or even just in strong wind. 

Power Issues

An electric gate that doesn’t have sufficient power may malfunction. So consider how your gates are powered. 

Are they mains-powered? If so, has there been a power cut recently, or does the issue show itself when other electrical items are used around your home?

Are they powered by a battery? If so, how old is the battery, and are you confident that (if applicable) the solar panel is effectively charging it? Remember that in winter there is far less daylight to charge an electric gate battery, and that fallen leaves and grime may further cover the solar cell, reducing its effectiveness. 

Remote Control Problems 

How do you open your electric gates? If you use a remote control then this is an easy check. Make certain that the “open” button isn’t stuck in, that the remote itself has sufficient battery power, and that the buttons aren’t being accidentally knocked (such as when bouncing around in the glove box of your car).

Water Ingress

Heavy rain is always a risk to electrical installations. If your electric gates are very new then this is unlikely to be an issue. But in older gates that were fitted some years ago there is a chance that some of the housing could be letting in small amounts of water. 

Damaged Wiring

Damaged wiring is a common cause of electric gates that keep opening on their own, but unfortunately is largely beyond the capabilities of most homeowners to repair. All the same, if you spot any wires that are obviously damaged or corroded then this may help an engineer to identify the key issues, and so fix your gates sooner. 

Options to Fix Electric Gates That Keep Opening

Now that you know some of the most common causes of electric gates opening on their own, it’s useful to run through some steps you can follow at home to try and fix your own issue. 

Check Your Warranty

First and foremost double-check any warranty you may have on your electric gate installation. The last thing you want to do is to invalidate any warranty by fiddling with something you shouldn’t. You may even find that an engineer will call for free if you’re inside that warranty period, saving you a lot of effort.

Assuming either you’re outside the warranty, or you don’t want to wait some weeks for an engineer appointment here are some simple things you can check.

Obstructions

Remove anything near your gates that could be wrongly considered an “obstruction”. Trim back trees and shrubs, and remove items like pot plants or hoses from your driveway. 

Remote

Replace the battery in your remote. Check the buttons to ensure none of them are stuck down. Do this for all remote controls in your household. 

Power Source

Do your gates have power? Are other electrical appliances around your home, garden and garage still functioning fine? Check your fuse board – is the fuse powering your electric gate on? If your gate is battery powered (or uses a battery for back-up power) then consider swapping it to a new one. 

Sensors

Locate the sensor(s) attached to your gate and give them a decent clean. Ensure there is no dirt or grime obstructing their view. 

Water Ingress

Open up the housing of the gates and see if you can observe liquid within. This is especially likely after a big storm has blown through. Sometimes leaving the housing open on a warm, dry day will permit the electrics to dry out enough for them to start working again properly. 

Wiring

With the casing open see if there are any obvious wiring issues. For example, have any terminals obviously rusted, or has a small animal managed to get into the casing and nibble on one of the wires?

Detach the Electric Mechanism

One final handy tip for you – and if I’m honest, probably the most handy of all – is to consider detaching the electric mechanism. This literally detaches the motor from the gate and turns your “electric gate” back into a manual gate. 

Now sure, you’re going to have to get out of your car to open them for a while, but the upside is that the gates will no longer open themselves while you’re out. 

Each gate mechanism is different, so it might be necessary to consult your user manual to figure out how to do this. But as a pointer, on my electric swing gates, there was a small lever at the bottom of the gate, where the arm of the motor joined. I tugged that (quite hard, I must say) and the gate swung free of the motorized arm. 

While it’s mildly inconvenient, at least it keeps your home safe while you’re figuring out the rest of the issue. And in this way, should an engineer visit be necessary, it’s not so painful having to wait a few days for an appointment. 

Ring an Electric Gate Engineer

Lastly, should none of the above have helped then I’m afraid it’s time to call an engineer. Frustrating, I know, but there are some things that only the experts can fix. 

Conclusion

As we have seen, there are a number of reasons why electric gates might open on their own. While some causes are more likely than others, it’s impossible to tie the cause down to any one thing. Instead, it’s necessary to work through a list of options, crossing them off one at a time, till the real culprit becomes obvious.

Worst case scenario I hope you’ve benefited from a list of things to check and advice on how to prevent your electric gates opening for now – even if an engineer visit is necessary.