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Common Problems with Air Conditioner Fans


Fans are an essential part of your air conditioning system and when they’re on the fritz, they’ll be sure to let you know. Unfortunately, fan issues can potentially lead to other issues with your system. Issues with your fans have distinct warning signs, something we’ve seen many times with air conditioner repairs in Hammond. To determine whether there’s an issue with one of your air conditioning system’s fans, our Professional Heating and Air Conditioning experts have created a helpful list of common problems.

Strange Noises

Fans are one of the components of your AC system that will make a noisy fuss when something’s just not right. Here are some sounds to listen for:

  • A clunking sound could mean there’s a loose or damaged fan blade banging against other metal parts
  • A screeching sound could be a worn-out fan belt or a damaged blower fan motor
  • A buzzing sound could indicate loose fan blades or a faulty outdoor fan motor

Motor Issues

The fan motor powers the fan’s blades. If the motor is broken, the fan won’t turn as needed. Because the fan motor runs constantly, motors are subject to a lot of stress, especially if your HVAC system isn’t serviced regularly. Fan motors can fail due to burnout, overheating, or wiring problems. If motor issues are caught early enough, they can be repaired. But if it’s burned out, it’ll need to be replaced by a professional HVAC technician as soon as possible.

Capacitor Issues

The small but mighty capacitor is another essential part that can cause the fans to fail if it’s not working right. The capacitor stores energy that provides power to your air conditioner’s fans located both indoors and outside. If the capacitor is faulty, the fan blades will stop spinning. 

Lack of Power

Sometimes the issue isn’t with the fan itself, but with the power. If there is a power issue, then the fans might not receive power to function properly. There are lots of things that can prevent the fans from receiving power. For example, certain components of your air conditioner can overheat and cause the circuit breaker to trip. When this happens your air conditioner will shut down.

Blocked Air Filter

Another essential component of an efficient air conditioning system is the filter. Air filters trap dust, dirt, and other pollutants and their effects are twofold. Not only do they keep the air in your home clean, but they also keep the internal cooling system components clean. A clogged, filthy, or faulty filter will restrict the flow of air and in extreme cases, result in the entire system shutting down. Replacing the air filter usually solves the problem. 

Electrical Problems

Each fan has its own motor and over time, the wires can become loose, disconnected, and frayed. When this happens, it’ll cause the motor to run unevenly, or not at all. This can put a strain on the entire air conditioning system. Faulty wiring can also damage the fans. 

Don’t ignore fan problems and don’t hesitate to call our team for an estimate on air conditioning repairs!

When you need it done right call Professional Heating & Air. Contact our team today! 

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