Why Does My Air Conditioner Keep Turning Off By Itself? A Complete Guide

If you are wondering why your air conditioner keeps turning off by itself, you may find that the solution is surprisingly simple. Before getting into the details of what to do if your air conditioner turns off by itself, you need to understand how an air conditioner works in the first place.

There are two common ways that an air conditioner shuts down when there’s something wrong with it; it’s called tripping and it happens because of high or low temperatures, or because there is a problem with the power supply to the unit.

I also had the same problem when I got my new Air Conditioner. It did not work up to the mark and after some time, it started turning off again and again.

Why Does My Air Conditioner Keep Turning Off By Itself?

How does my air conditioner work?

An air conditioner is designed to provide cooling and humidity control for an enclosed space, such as a house or office. To do this, it removes heat from the air by blowing it over a cold coil filled with refrigerant gas (a type of liquid).

The refrigerant gas turns into a vapor, which gets condensed back into a liquid on the outside of the coil. When these two fluids mix, they evaporate into vapor again and begin to travel back over to condense in the coil again. This cycle is called heat exchange.

Air Conditioner might be damaged

One common problem homeowners have with their air conditioners is that they keep turning them off by themselves. If you are wondering why your air conditioner keeps turning off, here are some telltale signs of a malfunctioning system:

1) When temperatures in your home vary by more than 20 degrees on either side of the thermostat setting, this means that your thermostat has lost communication with your cooling system. You may need to replace your thermostat or install an additional outdoor temperature sensor.

2) Another potential reason for an erratic air conditioning system is an issue with the airflow in your vents. You might need to adjust the direction or filters of these vents.

The issue might be the place of my Air Conditioner

Window air conditioners use 10 to 15 times less energy than central air units. This means that it costs about $4 for a whole summer season to operate an average window air conditioner as opposed to $40-50 for a central air conditioning unit. This can amount to significant savings, especially if you live in a warm climate year-round.

Window air conditioners also require much less space and provide cooling more quickly and evenly than central units do. These advantages make window units preferable in many cases. This includes apartments or houses with small rooms (such as those with slanted ceilings). In these, installing a central unit may not be possible or convenient.

How can I ensure that my air conditioner will last for years to come?

Ensuring that your air conditioner will last for years to come starts with proper care and maintenance. Your unit should be serviced by a professional at least once a year. But you should also make sure to clean out any debris from the grills. For many homeowners, this is all it takes to keep their system running smoothly through those hot summers!

If you’ve checked these two things off of your list and your AC still seems to be running for only an hour or two before shutting off, then it may need a little more attention. A fuse could have blown, which would mean replacing it will be necessary.

What should I do when my air conditioner turns off by itself?

When your air conditioner turns off by itself, here are the steps you can take to fix it:

-Locate the circuit breaker.

-Try to reset it by turning the AC unit on and off again.

-Check if there is an interruption in the power supply from outside.

-Do a check of all indoor and outdoor breakers and appliances to see if any have tripped or gone out of service.

-Have a professional look at your unit for any serious malfunctions that may be occurring that are causing this issue.

How come my air conditioner starts up on its own?

It is possible that your air conditioner unit has failed in one of the following ways. A refrigerant leak, a mechanical fault, an electrical malfunction, and a sudden loss of electricity. If you’re looking for air conditioning repair in Washington DC, turn to WASHINGTON HEATING AND COOLING FOR ALL YOUR AC SERVICE AND REPAIR NEEDS.

We are an AC company dedicated to bringing customer satisfaction by repairing and installing high-quality systems. When your system suddenly turns off by itself and it starts up again on its own, this may be a sign that there is a power interruption going on somewhere in your house or business.

In case 30 seconds later, the air conditioner shuts off

There are some of the possible reasons your air conditioner is turning off by itself: Either your compressor is faulty, or your air conditioner is struggling to meet its cooling needs.

To determine which one it is, use a thermometer to find out whether or not the ambient temperature has risen after turning on the unit. If you have a faulty compressor, there will be a noticeable increase in temperature once your system kicks back on.

If your air conditioner is struggling to meet its cooling needs, this issue can either be due to inadequate insulation. Also by sealant of an older unit. It could indicate that airflow isn’t reaching into certain areas of the home such as closets and hallways that are poorly ventilated.


What causes my air conditioner to shut off after a while?

It could be any number of reasons, but it most likely has to do with your thermostat. The first thing you want to do is clean your filter on a regular basis. That will ensure that you’re getting plenty of cool air while also keeping the coil free of dust and other debris.

Secondly, if you have an old thermostat that is over 10 years old, it might need to be replaced because they typically don’t hold up for much longer than 10 years due to its fragile parts. Lastly, you should check the wires in your house for any damage or disconnections. You may just need some electrical tape or a wire nut for an easy fix!

How can I prevent the AC from cycling too quickly?

One of the most common issues with air conditioners is that they can turn off by themselves. They turn off without any apparent reason. The key to preventing this from happening is to figure out what caused it in the first place. If you think that a wire came loose, tighten it up and reconnect it, and then wait at least 20 minutes before using your AC again.

Check all electrical connections as well. Including power strips and extension cords, because oftentimes a wiring issue can be solved by tightening or reconnecting one small part of a plug-in system.

Why is my AC cycling on and off?

Oftentimes, cycling on and off can be attributed to a problem with your thermostat. There are a few reasons that could account for this, such as:

1) You’re experiencing higher or lower temperatures than you should be.

2) Your thermostat needs to be reset.

3) There is an issue with the power supply (either because of a blown fuse or tripped circuit breaker).

4) The thermostat is out of reach from functioning properly and needs to be replaced.

5) it doesn’t know what temperature it should set the house at. Or should have started cooling/heating sooner so your home is too hot/cold.

If none of these reasons apply to you, please call an expert as soon as possible.

Also read: How To Reset Daikin AC Remote In Three Easy Steps


There are many different reasons your air conditioner may keep turning off. But one of the most common ones is that it is not receiving enough electricity to operate. Make sure your circuit breaker has not been turned off, and consider adding some additional circuits if needed.

Another possibility is that your fan motor has seized and needs to be replaced. If you suspect this might be the problem, have a licensed HVAC technician come take a look at it for you.

If you still have the same problems and you do not get the problem resolved, then do let me know in the comments section so that I could help you further.

Talha Hanjra

Hi! I'm Talha Hanjra. I have a natural affinity for cutting-edge technological devices, and I enjoy finding solutions to their difficulties. I'll tell you how to fix various outdated gadgets and where to buy the best products. My research and experience will be of tremendous use to you.

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