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How to Make Sure Your AC Fan Motor Not Working

ac fan motor not working
AC Fan Motor Not Working

You may have a problem with your air conditioner fan and not even know it, because the problem can be very small and seemingly unrelated to the functioning of your AC unit. That is why some people try to diagnose their own AC unit by just looking at their fan and assuming that it’s the problem. Unfortunately, this can be dangerous because you may misdiagnose the problem and actually make the problem worse. Here are some things that you should remember when you suspect that your AC fan motor is not working properly:

Possible Causes of Ac Fan Motor Not Working

  • The AC compressor fan isn’t running as it should. 
  • Your fan motor fails to turn on. 
  • Your AC compressor fan motor fails to cool the room. 
  • Your AC compressor fan motor fails to work in cooler temperatures than what it’s supposed to. 
  • Your refrigerant leak is plugged.

Of course, you can call a technician from an appliance service center or an appliance repair company to come take a look at your AC unit and any of these problems, but why waste your time? It’s much more convenient to take the simple step of checking your a fan motor and other components yourself. You’ll only need one test to determine if the AC motor is working properly or not. It’s called an Electrostatic testing.

When you notice the AC motor turning on and then turning off, you can check your condenser to see if it needs to be replaced. If your condenser is leaking, it’s a good idea to replace it with a new one. Your fan blades and coils can be checked by loosening and removing all the screws holding them in place. Sometimes, dirt and grime will build up around the screws and you won’t be able to see them clearly. That’s when a professional can check all that and make any necessary adjustments.

ac fan motor not working 1
AC Fan Motor Not Working

Dirty air filter

If you have a dirty air filter, you can also check it for leaks. If it’s not leaking, that would be the best time to clean it. However, if it’s a very slow leak, it may not be possible to clean it without replacing the filter. Another possible cause of this problem could be dirty or clogged ducts. Those are both problems that can be fixed by replacing the ducts themselves.

Sometimes the problem is with your AC fan motor itself. Sometimes it will overheat, causing some refrigerant to be lost in the system. That’s the most common complaint when the system isn’t working right. The refrigerant is then transferred from the air conditioning unit to the compressor to cool it down.

Noises

If you find that the AC fan motor is making funny noises or isn’t working completely, it could be that you need a new thermostat or air filter. Those items can be purchased online or at your local home improvement store. A damaged air filter can prevent the refrigerant from flowing through the system and it makes things noisy as well. Replacing the air filter with a new one should fix the problem.

You might also notice that the ac blower motor is producing less air than usual. That means that the blower motor might be having a problem. One of the problems that can develop is a capacitor getting too hot. If that’s the case, you should shut down the AC power before trying to repair the problem by simply removing the cap and checking the temperature of the capacitor.

Adjustments

When the blower isn’t running as efficiently as it should, it could be that the air conditioning motor winding has become misaligned. If you need to make any adjustments in the motor, the first thing you should do is disconnect the air conditioning system from the AC power. This will prevent any electric charges from building up on the wires. Then you should loosen the bolts that are holding the wires to the AC fan motor. You can use wire strippers or pliers to loosen them.

Once the bolts are loosened, you can remove the old blower. You’ll need to disconnect the motor from the air conditioner. At this point you have two options-either continuing to use the old blower or purchasing a new one. If you’re only replacing an existing fan, you can purchase one that is made specifically for turning on and off fans.

If your a fan motor is not running properly, you may find that there is something wrong with the ductwork or maybe the filters. There are many easy and inexpensive ways to check for problems like these. These simple checks can save you a lot of money down the line if they are done when your air conditioning unit needs a repair. Don’t be afraid to take your air conditioning unit to a professional if you need major work done. A trained mechanic can work with your warranty to make sure you get the right service. Sometimes the best way to deal with minor issues is to simply replace the part and be done with it.

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