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Why Is My Air Conditioner Not Working?

Author: John Dilan
by John Dilan
Posted: Apr 01, 2021

Is your air conditioner not working? Nothing is as frustrating as waking up soaked, getting hot and bothered in the middle of the night. It could impact your sleep, leaving you feeling groggy and irritable the next day.

You do everything you could, like restarting the thermostat, but your air conditioner is too stubborn to work and fail miserably to keep you cool. Well, you aren’t alone. Most of us could have experienced it at some point. Even it happens with well-maintained air conditioners. While the air conditioning repairs Parramatta can be fixed easily, it is no fun waiting for an AC to stop working when it is 90+ degrees outside. Knowing the causes that affect the performance of the air conditioner could help you make informed decisions.

Here are the most common reasons why your air conditioner is not working as shared by industry experts:-

Dead Batteries in Thermostat

Yes, sometimes, there is nothing wrong with your air conditioner. It is as simple as your thermostat has dead batteries, and that’s why it doesn’t display anything. Replace the batteries in your thermostat. See, replacing the batteries in the thermostat should be the first thing you need to do when the screen is blank, and you don’t know the reason. Also, your thermostat is set to cool temperature, especially if you have kids, as they could change the temperature settings playfully.

Tripped Circuit Breaker

It could be one of the reasons why your air conditioner stopped working suddenly. Check your breaker box. If one of the breakers is tripped, it might be one that is connected to your air conditioner. Flip it back and see if your cooling unit is working. However, a circuit breaker trip occurs to protect the appliance from further damages when the line is overloaded. Overload can damage the electrical appliance, including your air conditioner. If the breaker often trips and you don’t know the cause, call the HVAC technician and get it checked. This can help you identify the root cause and fix it before it causes major damages to the cooling unit.

Improper Installation

Sometimes, poor installation of air conditioner can damage the internal components and affect the performance of the cooling unit. If you have installed your cooling unit all by yourself, the chances are high that improper installation is the reason why your unit doesn’t work. Air conditioning installation Parramatta should be done by professional HVAC technicians as they are trained, insured, and experienced.

Low Refrigerant Level

A refrigerant is the most important fluid that helps to absorb the heat from the air and keep the room cool. The absence or insufficient refrigerant fluid can lead to your AC not cooling. Schedule air conditioning service Parramatta at regular intervals to keep such problems at bay.

Damaged Compressor

A compressor is a vital component of an air conditioner. If it is damaged or worn out, it cannot cool the air efficiently. A damaged compressor requires replacement. Call in a professional HVAC and replace the compressor.

The author is a professional HVAC technician. Along with a team of professionals, he provides installation and air conditioning service Parramatta. Visit for more details.

About the Author

As an ARC authorised company that has worked on residential & commercial work all over Sydney we have helped hundreds of people get cool clean air.

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Author: John Dilan

John Dilan

Member since: Dec 30, 2019
Published articles: 78

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