What Is Wrong With Your Window Air Conditioner?

19 May 2015
 Categories: Industrial & Manufacturing, Blog


Window air conditioners provide excellent cooling when you don't have access to a central air conditioner. While they are effective, they might also experience a few different problems. Here are some troubleshooting tips to help you determine why your window air conditioner isn't working properly.

The Unit Is Turning Off And On Frequently

If you have noticed that your window air conditioner cycle keeps going off and on much more frequently than is necessary, it is most likely due to a problem with the temperature sensor or the thermostat. The first thing you should do is make sure the thermostat sensor is close to the evaporator coil, but not touching it. You can adjust the wire if it looks to be in the wrong place. You also want to make sure the thermostat isn't obstructed, such as from blinds or curtains. If it is a problem with the thermostat, you should call a professional to have it inspected and repaired.

The Air Conditioner Doesn't Turn On

The window air conditioner might be refusing to turn on altogether, which could be from a lack of power to the unit. Whenever you have an electrical appliance that doesn't turn on, it helps to check the outlet first. Some plugs can get loose from everyday tasks, such as vacuuming, and you might not realize it has become unplugged. Also check where the cord connects to the unit, as it can become loose there as well. If this doesn't help, check your electrical panel or circuit breaker for the unit. You might need to reset it. If it looks like the fuse has blown, it should be easy to replace.

There Is Condensation

Another common problem with these types of air conditioners is having condensation due to water leaking outside the front panel. If this happens, it is probably due to the pan sloping at the wrong angle. It needs to be sloped outside the home, but it is likely sloping toward the home, causing the water to go through the front of the unit. Check the drain pain to adjust how it is sloping. This should solve the problem. If it doesn't help, you will need to call someone to adjust the drain line.

If your window air conditioning unit is giving you any other problems, contact a heating and air conditioning repair professional to have it inspected. Regular maintenance and inspections allows you to avoid more serious problems and get minor repairs done.


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