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Air Conditioner Keeps Running When Turned Off? Here’s What To Do!

There are some reasons why your air conditioner continues to operate after being switched off. This article will assist you by first discussing how air conditioners function, what might be causing the problem, the tools you’ll need, and how to resolve the issue.
These faulty air conditioners are called “Zombie Air Conditioners” because they refuse to turn off no matter how hard you try. The ‘infection’ may be less dangerous in some circumstances (where your air conditioner takes 15 to 20 minutes before finally switching off)

What To Look For If Your Air Conditioner Keeps Running After You Turn It Off

A few reasons can convert your air conditioner into an electronic zombie, as we described previously. We’ll now go on to the technical side of things to find the source of the problem. These are the three elements to look at:

Board of Electronic Control (PCB Assembly): If your air conditioner keeps running after turning it off, it could be due to a defective electronic control board. As the name implies, this is the control center for your air conditioner. Some have even referred to it as an air conditioner’s “brain”. It is in charge of receiving and relaying data between various AC components. If your PCB is damaged, the only way to fix it is to buy a new one.

Temperature Control: When it comes to sensing the temperature of a room, the thermistor and the thermostat operate together. It’s normally a little light directly close to the evaporator on window unit air conditioners. The thermistor, like the thermostat, determines whether the condenser should be switched on or off.

Your window air conditioner may stay operating even when switched off due to a malfunctioning or faulty thermistor. The best plan of action is to open your air conditioner and inspect the sensor to see whether it is faulty or unplugged. While you’re at it, check the relay board and other components of your air conditioner’s Electronic Control Board using your multimeter.

Thermistor or Temperature Sensor: The thermostat is sometimes known as “temperature control.” Thermostats are little devices that record the temperature of a room and send the data to the Electronic Control Board. They’re primarily in charge of air conditioner automation.

If your air conditioner stays running after turning it off, it could be due to stuck dials (relay switch). When it comes to air conditioners with rotary dial thermostats, this is frequently the case. If the room temperature is too high, the dials will generally meet to complete the circuit and switch on the compressor. If they’re stuck, the compressor will continue to run long after the ideal temperatures have been reached (air conditioner switched off).

To handle any electronic device and get the best performance, one needs to know its working principle. To know more about air conditioner guidance and related topics, visit AC company Lawrenceville GA, and experience the best service today.

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