Troubleshooting An Air Conditioner That Won't Turn Off

7 June 2017
 Categories: , Blog

When your air conditioner starts functioning inefficiently, it will cost you a significant amount of money on energy bills as well as repairs. Therefore, you need to watch out for a few signs that your air conditioning unit could be faulty. For example, if your air conditioner runs continuously and won't turn off, your energy bills for the month will be relatively high. It is usually fairly easy to tell that your air conditioner is running continuously. The air inside your home may become colder than what you desire, or the unit can keep on blowing even when it's not extremely hot outside.

Here are some of the problems that may be making your air conditioner not to turn off.

The System Is Operating On A Faulty Thermostat

The thermostat should switch on and off automatically depending on the temperature level at which you set it. When the outdoor temperature is higher than the level you set, the thermostat will turn on, activating a switch that in turn makes your air conditioner start blowing cold air and vice versa. If you set your thermostat too low, it may be unaffected by the outdoor temperatures, which means your air conditioner is likely to run continuously. For this reason, it is oftentimes recommended that you set your thermostat to room temperature or slightly below it. If this doesn't work, a component within your thermostat itself could be faulty and has to be repaired.

The System's Condensing Unit Is Dirty

The condenser coils on your air conditioner work to dissipate heat with the help of the refrigerant. If these coils are dirty, the dissipation of heat won't be as effective because the build-up of debris will interfere with the flow of the heat. When this happens, your air conditioner will struggle to cool down, so the compressor will be forced to run continuously in order to cool the room. Clean the coils if they are dirty, and make sure you do it routinely to prevent the problem from recurring.

The System Has A Faulty Thermistor

The thermistor is what actually detects your indoor room temperature. It is usually connected to the temperature control board of your air conditioner. When this sensor (the thermistor) picks up a problem, it will lack continuity, which means it won't inform your air conditioner to turn off when it should. When this happens, your compressor will run continuously. Replacing the thermistor should do the trick.

For more information or help with diagnosing your air conditioner's problem, contact air conditioning repair professionals.