Signs Your AC Fan Needs to be Replaced


AC is the most difficult working part of the cooling system. It is constantly working to circulate air through your home by pushing it through the ducts.

The mainstay in an inverter split air conditioner unit, it's unusual to have the fan experience issues or malfunction. There are certain indicators that homeowners must be aware of so that they are aware of when it's necessary to change their AC fan. Let's examine some of the indicators.

What Signs Point to a Faulty AC Fan?

There are some indicators to be aware of that indicate a malfunctioning or damaged AC fan. If you spot any of these signs you may need to replace your AC fan as well as it's motor.

No Cold Airflow

Most of the time, the first thing you be able to notice when your fan begins to wear out is a decrease in cold airflow. It is a certain sign that something is not right with your AC. It could be a problem with your fan, but you'll be required to conduct further investigation when this occurs. Make sure you double-check your thermostat is set and set to the correct setting prior to you assembling your sleeves and looking into your AC unit.

The Fan is Constantly Running

If the fan keeps running, it could mean there's something wrong with your system overall. When this occurs it will be apparent that the fan is running even when the cooling system is shut off. Two issues are likely to be the cause.

It could indicate a problem in the switch for relays. It is the part that is used to open and close the electrical circuit inside the AC unit. If it is stuck it receives a continuous flow of electric current. Even when it is technically off, the AC may be off technically, the relay switch is directing that the fan should remain in operation.


Fan Won't Turn On

It is possible to experience the opposite problem when your fan is damaged. If the fan won't come on even after you have selected the right settings for your thermostat, this is another indication that something is not right. In the end, if your unit is running without a fan, the Evaporator coils could stop working. It is important to fix the issue immediately.

Fan Stops and Starts Irregularly

If your fan is running irregularly, it's another sign that your fan is not working correctly. It could mean that the motor is running hot, which will usually result in the fan stopping for safety reasons. Sometimes, this can be because of a loose wire or wiring, but sometimes it's because the motor itself has completed its course. In either case, it's best to investigate the issue whenever you can.

Fan Is Rotating Slowly

If the blades on the fan are turning faster than usual there could be an issue. This could result in lower airflow and may cause problems with your system in the future. The first step is to ensure that your fan isn't running at an unintentionally low speed. If it isn't then you may require oiling the motor's bearings using mineral or synthetic oil. If you do this but the blades are moving at a slow pace it could mean that the capacitor is decreasing and you'll need to replace the fan.

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