Quick Answer: How Hot Of Air Can Condesnor Fan Motors Oporate?

How hot should a blower motor get?

In HVAC/R, we will commonly see condensing fan motors at 60°C (140°F), 70°C (158°F), and 80°C (176°F), and blower motors will often be rated at 40°C (104°F).

Can an AC fan motor overheat?

Lack of maintenance: This is probably the most common reason that causes condenser fan motors to overheat and shut off. Proper and regular lubrication of the fan motor is necessary for the motor to run smoothly. Periodically making sure that there’s no debris or dust in or around the fan motor is also a good idea.

When should AC condenser fan run?

Normally the condenser fan motor should be running when the compressor is running. Power ( 115 volts AC ) to the motor and it is not running is a bad fan motor.

Do condensers overheat?

Condenser coils are refrigerant filled tubes running through your air conditioner’s outside unit. If these coils are dirty, then your air conditioner runs longer, causing the air conditioner to overheat.

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Is it normal for fan motor to get hot?

The ceiling fan motor should get warm or even hot to touch. Because no motor is 100% efficient and some of the energy is always converted into heat.

How do you know if your blower motor is overheating?

Your blower motor may show these signs when it starts to overheat:

  1. A hot or burning smell as your units operate. It is usually followed by the complete furnace shut off.
  2. Loud humming noise and other odd sounds.
  3. Furnace cycles off or refuses to start.

What causes AC fan motor to burn up?

The fan will stop circulating the air throughout your HVAC system. It most commonly occurs when the blower fan motor becomes aged or is overworked. A lack of regular maintenance is generally to blame for blower fan burnout.

How do I maintain my AC fan motor?


  1. Step 1: Open cabinet and locate fan.
  2. Step 2: Clean away any debris with vacuum and soft cloth.
  3. Step 3: Check fan blade on motor shaft for looseness.
  4. Step 4: If fan has oil ports, apply several drops of 20-weight nondetergent motor oil (not all-purpose oil) to each port at beginning of cooling season.

What happens if an AC motor overheats?

When the motor overheats your air conditioning unit fails to work properly. The condenser fan motor runs at a specific temperature and when it gets too hot the fan shuts down. If you want to check and see if this is the problem with your faulty unit touch the top. If it is too hot to touch you have an overheated motor.

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Should car condenser fan run when AC is on?

Many cars use the same fan for both the radiator and the condenser though. Anytime the air conditioning is on, your condenser fan should be running. If you start the engine, you should see this fan spinning with the AC system. If it’s not, you need to replace it.

Should condenser fan run when AC is off?

Your HVAC fan should turn on and off with the rest of your heating and cooling system. It’s normal for the fan to kick on a couple of minutes before heating starts or to stay on for a couple of minutes after cooling stops, but your fan shouldn’t run for hours on its own.

Why does AC condenser fan run all the time?

When the fan is switched to the “on” position, it will run continuously. Also, if the temperatures outside are extremely high and the AC is unable to reach the thermostat setting, the entire system, as well as the fan, will run longer than usual until it reaches the set temperature. The thermostat is faulty.

Will AC shut off if it overheats?

Overheating Is one of the main problems you could have with your AC. If the system overheats, it will cause the panel breaker in your home to constantly trip. Regular air conditioning maintenance will help prevent issues further issues like this.

What causes condenser fan failure?

There are several reasons the capacitor of your HVAC unit can fail. These include overheating, running too long, power surges, and age. When the capacitor fails, the condenser fan will no longer rotate.

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What is the purpose of condenser fan?

The AC condenser fan’s job is to keep the condenser cool so that it can keep converting gas into liquid, and overall, keep the AC system working as it should. If the condenser fan fails, your car will likely display a few warning signs.

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