When the summer heat hits, our AC units tend to work overtime to keep us cool and comfortable. Unfortunately, this can also cause our AC system to malfunction. In case this happens, it will be helpful to understand the potential causes so that you can diagnose the problem and get your system up and running again.
5 common reasons why your AC system might suddenly stop working
- Lack of Maintenance: this is one of the first and most common AC system Neglecting regular maintenance can cause dust and dirt to build up on the system’s components, leading to decreased efficiency and eventual system failure. If you don’t change your air filters regularly, dirt and debris can accumulate and cause the system to overheat, leading to failure. The same goes with the coils, if they are not cleaned, then it will be difficult for the system to produce cool air.
- Refrigerant Leaks: this is responsible for cooling the air in your home. If there’s a leak, the system won’t be able to function properly. Signs of a refrigerant leak include warm air blowing from your vents, hissing or bubbling noises coming from the system, and ice buildup on the coils. This can be dangerous and require professional attention. Do not attempt to repair a refrigerant leak on your own because it can be hazardous and may even damage the system further.
- Clogged Air Filters: when air filters become clogged with dirt and debris, it restricts airflow. This causes the system to work harder to cool your home, thus leading to overheating and eventual system failure. An easy solution to this is to change your air filters regularly. Not only will it prevent clogs, but it will prolong the life of your AC system. The recommended times it should be changed is every 1-3 months, but this depends on your usage. So, just check your filters and replace when necessary.
- Electrical Issues: if the system’s electrical components, such as the capacitor or the fan motor, fail, then the system won’t function properly. Electrical issues can be difficult to diagnose and repair on your own, so it’s best to consult with a professional HVAC technician.
- Thermostat Issues: this can be linked to electrical issues as well. If your thermostat is malfunctioning, it may not be sending the proper signals to the system, causing it to turn on and off at the wrong times or not at all. If you suspect that your thermostat is malfunctioning, try replacing the batteries first. But if that doesn’t solve the problem, you may need to replace the thermostat itself. For this, it is best to contact a professional.
By understanding the common reasons why an AC system can malfunction, you can now diagnose the problem and solve it yourself. Keeping in mind that there will be times when you will need to call a professional to fix it. Nevertheless, remember to change your air filters regularly, schedule regular maintenance with a professional HVAC technician, and address any issues as soon as they arise to prevent sudden system failure.
