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Read This If Your AC Keeps Shutting Off?

When you switch on your air conditioner, why does it continue to run for a while before shutting off? This happens all the time. Regardless of whether your air conditioner is running or not, you should check the cooling ducts and fan to see whether they are broken. The information in this post can help you figure that out.

If your air conditioner shuts down before the temperature set on the thermostat is reached, there is a problem. This widespread practice is referred to as ‘short-cycling.’ This is not only inconvenient but also costly, as your air conditioner continuously cycles on and off inefficiently.

The following are some serious problems that could occur and cause your air conditioner to cease to function:

  • The thermostat has errors.

Consider your thermostat as the ‘brain’ of your air conditioning system, and you’ll have a lot better idea of its function. To keep your air conditioner running efficiently, the thermostat communicates with it. Thermostats, like other electrical appliances, may break down from time to time. It’s possible that the thermostat is malfunctioning or that the connection connecting it to the air conditioning system has developed an electrical short, causing the system to shut off unexpectedly. Check the thermostat and repair any damaged wires with the help of a professional.

  • The air conditioner is not getting enough air.

An air conditioner needs a constant flow of warm air from inside to effectively cool your home. With insufficient airflow, air conditioner components such as the blower will work harder to keep your home at a comfortable temperature. When any of these parts become too hot, the air conditioner has to be shut off. Clogged air filters are a significant cause of poor ventilation. Because the filter is required to filter all air entering your air conditioning system, a clogged filter will cause your air conditioning system to malfunction.

  • Keep an eye on your air filter.

Make sure your air filter is in top working order by checking it often. Changing the filter is advised if it gets blocked with dirt. Inadequate airflow may be caused by a variety of factors, including the following:

  • Make sure all of your home’s vents are open and unobstructed so that air can freely flow into and out of the supply and return ducts.
  • If the blower fan motor in your air conditioner isn’t working correctly, it will have difficulty bringing in enough air. A specialist will be needed to carefully inspect the fan and, if necessary, repair or replace the fan motor.
  • An expert may check your ductwork to look for leaks or disconnected ducts, and you can then call in a contractor to fix the problem.
  • The condensate has clogged lines.

During the summer, the moisture in your home’s heated air is collected by your air conditioning system.

  • A pipe keeps moisture (also known as condensation) from leaking back into your home by allowing it to be drained away.
  • Dirt and debris may get into the condensate pipe and clog it on occasion. This moisture collects in a drain pan instead of being released to the outside.
  • A switch may be activated to turn off your air conditioning when a particular water level is present.
  • It’s also possible to try to empty the line by finding and disconnecting the condensate line connected to the air handler (usually a white PVC pipe).

Removing the T-shaped part of the line’s cover and immediately pouring distilled vinegar into it will provide the desired result. After 30 minutes, flush the tube with water to eliminate any remaining residue. You should also contact a skilled HVAC repair expert for assistance if the blockage persists or if your air conditioner continues to switch off on its own.

  • Slight amount of refrigerant used.

The chemical used to cool your home’s air is referred to as a ‘refrigerant.’ a safety switch may activate, shutting down the compressor when your air conditioner runs low on refrigerant (an indication that there is a leak somewhere). Your air conditioner won’t be able to cool your home’s air adequately if your compressor breaks down. Once the pressure has dropped to a safe level, the compressor will be restarted. A professional inspection and refrigerant recharge are required if your air conditioner keeps shutting down on its own. Without it, your air conditioner will turn itself off when it’s hot outside. You may have a refrigerant leak if you experience any of the following symptoms.

  • Issues with the compressor.

The compressor in your air conditioner is like the engine that powers the refrigerant cycle. In the compressor, it’s tucked away within the housing. The pressure needed for the refrigerant to absorb and release thermal energy is generated by a compressor, which lowers and raises the temperature in your building. Compressors are often hermetically sealed to keep out dust and debris, harming the unit’s working components. System shutdowns are expected when the compressor becomes overheated or worn out, leading to frequent system shutdowns.

  • Low refrigerant concentrations

Your air conditioner’s efficiency is tied to how well you keep the refrigerant level stable while it’s running. This happens because when the amount of refrigerant falls, cooling efficacy decreases, and energy efficiency rises. As a consequence, you risk having insufficient riding time.

  • ‘Frosted’ coils

The coil in your air handler is called an ‘Evaporator coil.’ This aids in cooling the heated air being drawn from your home by the ceiling fan. Frost may develop on your air conditioner’s evaporator coils if there’s a blockage in the airflow, such as a dirty air filter. That, again, may lead to a problem in terms of short cycling cycles being produced. Many reasons necessitate changing your air filters regularly, including the spread of allergens throughout your home and the emergence of costly HVAC repair issues.


Have you ever had trouble remembering a deadline for service after the air conditioning installation? Do you tend to forget things? When it’s time to change your AC service, Google with option ‘AC repair near me’ and sign up for AC repair Lauderhill FL.  And with the help of our reminders and an email, you can stay informed about the same.

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