Troubleshooting Your AC Fan: Tips & Tricks

Posted on: July 2, 2021

What causes an AC fan to stop working Your air conditioner is crucial to your indoor home comfort, especially during the warm season. It’s inconvenient to turn on your AC in the middle of a hot summer day only to realize your AC fan is not working. To keep the temperatures in your home from rising to uncomfortable or dangerous levels, you’ll need to troubleshoot your system to locate the issue, or contact your AC repair company and a professional can drive out to your home anywhere from Chula Vista to Murrieta.

Before you attempt to troubleshoot your AC fan, be aware of what to look for and where. Assuming you own a standard central air conditioner, you’ll be able to find two fans, one inside and one outside of your home. If either of these break down, your AC won’t be able to work properly.  In this article, we’ll explore the most common culprits of fan malfunctions and discuss the most effective ways to resolve the issue. Read on.

What causes an AC fan to stop working?

Before concluding your fan motor is broken, check if other, possibly simpler problems may be to blame. In fact, a range of potential issues can occur with your AC, some of which may result in your AC fan not working.

Your central air conditioner is a complex system with many components, and there are several issues that could be the reason your AC fan is not working. Some potential culprits include:

Incorrect thermostat settings

It may be the case that your AC system isn’t cooling down your home because the thermostat is set to heat. If your AC is on but not cooling, make sure to check the settings and switch the mode to either “cool” or “auto”. You should also set a temperature that’s appropriate for the time of the year and your comfort.

Tripped circuit breaker

If you’ve made sure your thermostat settings are correct, the next step would be to check the power supply. This means checking your breaker box panel to look for tripped circuit breakers, or finding the fuse box and checking for blown fuses. In either case, you may be able to fix the issue yourself simply by switching the breaker on or replacing the fuse. However, if that doesn’t resolve the issue, make sure to contact AC technicians.

Dirty Filters

If you’re lucky, your AC fan isn’t working as a result of dirty or clogged air filters. If that’s the case, all you have to do is clean or replace the filter and your airflow should be restored.

Capacitor issues

The function of your AC capacitor is to store energy and provide power to the fan. If it breaks down for any reason, the fans are most likely to stop spinning. In this case, you’ll probably need to contact reliable AC repair technicians to take a look at the capacitor and determine whether it needs a replacement.

Contactor issues

An AC contactor is a switch that controls the fan motor of the condenser and the compressor. The contactor can break down over time, restricting the outdoor fan from functioning properly. If the contactor is to blame, you’ll also have to contact a HVAC professional.

Broken or loose belt

Older AC systems often have belt-powered fans that may break or become loose, preventing the fan from spinning. Belt issues can be fixed, but they are often a good indication that you need an AC replacement.

Burnt out fan motor

Condenser fan motors are prone to wear and tear. They may malfunction when put under a lot of strain, especially in air conditioning systems that aren’t regularly maintained. If your fan motor is broken, you’ll either need to hire someone to repair or replace it.

How do I know if my AC fan motor is broken?

If you’re worried that your air conditioner may have a bad fan motor, look for the following signs:

  • The fan keeps running even when your AC is turned off.
  • The fan doesn’t turn on.
  • The fan blades are rotating slowly.
  • The blades of the outdoor fan don’t move.
  • The condenser is making rattling noises.
  • There is no airflow coming from the unit.

If you notice any of these signs, make sure to turn off your cooling system and call a professional as soon as possible. Along with regular maintenance tune-ups, keeping an eye out for early warning signs can save you a lot of trouble and money further down the road.

How much does it cost to replace a fan motor in an air conditioner?

So, you’ve had your AC unit inspected and the technician has determined that your fan motor should be replaced. Now you’re likely wondering how much the replacement will set you back.

The prices for AC fan condensers can vary depending on your location and the contractor you choose for the installation. In general, a fan motor replacement may cost you several hundred dollars, usually somewhere close to $500.

Replacing the fan motor as soon as possible is essential for two main reasons: you won’t be able to use your AC and your compressor may be the next to break down if you attempt to run your cooling system. A compressor replacement is a much more expensive repair service, so keep that in mind.

We bring you efficient AC repair services across Murrieta

How do I know if my AC fan motor is broken Whether your air conditioning drain keeps clogging, the cooling system starts leaking indoors, or you need air duct leaks fixed, don’t hesitate to contact Action Air Conditioning Heating and Solar. We’re at your service for all kinds of HVAC repair and installation services across Murrieta and the surrounding neighborhoods in Riverside County. Our certified technicians will come to your location in no time, fully equipped to deal with any issue you may be experiencing. Reach out now and let us ensure your indoor comfort.