• Home
  • Why is my AC fan blower motor not working?

Why is my AC fan blower motor not working?

Author of the blog (work in a car repair shop)
Ask Q

Why is my AC fan blower motor not working?

First make sure there is power to the indoor unit and that a switch or breaker isn't off. Some indoor units (Heat Pumps) have breakers right on the Air Handler itself. But also check the main breaker panel. Some units have a shutoff switch on the side of the unit or an Emergency Switch located on a wall.

What can cause an AC blower motor to stop working?

A number of things could cause this to happen, from tripped circuit breakers to a faulty thermostat. However, it is also possible that the blower motor has stopped working. Typically, blower motors have a very long life.

How do I reset my AC blower?

Locate the reset button on the furnace and press it to reset the furnace. It is usually located inside the blower compartment on the side of the blower motor. Be cautious as the housing may be hot. If the button is popped up, press it down.

Why is my blower fan not working?

If you see or hear the fan turn on, your blower motor is not the culprit. If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not trip). While your thermostat may be at fault, only an HVAC technician can diagnose and remedy the issue correctly.

Can you run the AC without a blower?

To avoid this, it may be best to leave the fan on. Running your heating and cooling fan even when the AC isn't on helps circulate air throughout your home for consistent comfort. And with the air being circulated by the fan, you'll often end up with cleaner, fresher air in your home.

Is there a reset button on an AC fan motor?

Look for it first around on the exterior of your machine, especially along the bottom edge near the ground. An AC's reset button is typically red and visible, so it should be easy to spot. If you don't see a reset button on the outside, it could be located inside the unit behind the service panel.

What does blower motor reset button look like?

These blowers can be VERY hot. Step 4: Locate the reset button. This is usually on the side or the back of the blower motor. Often times, this button is red.

Is there a fuse for the blower motor?

How much does an AC blower motor cost?

Replacing a blower motor costs $450 on average with a typical range of $250 to $800. With a warranty, you might pay as little as $150 for labor alone. For high-end models, like those with large motors or access issues, you might pay as much as $2,000.

Is there a fuse for the blower motor?

How do I know if I need a blower motor or a resistor?

Signs of a Bad Blower Motor Resistor Loss of HVAC fan control (total or certain speeds) The fan only works on its highest speed setting. No air coming from vents. Intermittent or inconsistent fan speed.

How do you know if the blower motor is bad?

If the blower motor is completely bad, then you'll have no airflow at all. Strange sounds coming from blower. Blower motors can make all kinds of sounds, depending on what the issue is. Vibrations, grinding, and high pitched-noises are some of the sounds a blower can make if it's going bad.

Should the ceiling fan be on when the AC is on?

There's this widespread belief that air conditioners shouldn't be used alongside ceiling fans, but that's just a myth. Rather than crank up your AC, it would be best to turn on the ceiling fan so you can cool things down.

Is it OK to leave AC fan on all the time?

Leaving the fan on eases the strain on the HVAC system. Constant motion means fewer stops and starts, which can extend the lifespan of your unit. Constant fan use keeps the air in your home circulating through your air filters and UV sterilizers if you have them.

Do all AC units have a reset button?

Find the button. Most air conditioning units are equipped with a reset button. These buttons tend to be red and quite small. If you're having a tough time finding it, consult your owner's manual.

Is there a way to reset AC unit?

Turn it Back On After waiting for 1 minute, the AC unit will reset on its own. Go to your thermostat and carefully turn the device back on. Be sure to set the device to your desired temperature and wait for the unit to cool the air to confirm it's working well.

How much does it cost to fix AC blower?

How do I know if it's the blower motor or the resistor?

Typically, if the fan will work on some speeds but not on others, the resistor is suspect. Okay, let's say there's no melting going on, but your fan doesn't work on all speeds. Typically, if the fan will work on some speeds but not on others, the resistor is suspect.

How much does it cost to replace a blower motor?

Can you reset a motor?

Once the motor has cooled sufficiently it can be re-started, usually by pushing the popped-out reset switch back down. If the motor turns off again on re-set you should not keep running it as it may be damaged and the system may be unsafe.

Where is the blower motor fan fuse located?

Many vehicles have two fuses for the blower motor, one in the interior fuse block and the other under the hood. The blower motor is usually under the dashboard on the passenger side.

Where is the blower motor fuse relay?

Under the instrument panel, look under the glove box. On the right side of the fender wall you will find another fuse box. The blower motor fuse is easy to replace.

How long should an AC blower motor last?

The average lifespan of an AC fan motor is about 12 years. An AC fan motor can last more than 12 years if it's kept clean and cooled as needed. On the other hand, without annual maintenance checkups, your fan motor may only survive between one and three years.

Can a blower motor be repaired?

There are a number of things that can go wrong with your heating system, but if the air stops blowing altogether and the same is true on cold air settings, a blower motor replacement is likely in order. The good news is that it's a fairly straight forward repair.

Is it hard to replace a blower motor?

The replacement of the blower motor is common and straightforward, so most shops will perform the repair — many on the same day.

How much does it cost to fix AC blower?

Why is my blower fan not blowing air through the vents?

Blower Motor Fan Belt Problem If you have a belt driven blower motor fan and the fan is not blowing any air through the vents, then it is possible that the belt may have become worn over time, moved out of place or become damaged. You can check for this problem by listening to the AC unit when it is turned on.

Why is my outside air conditioner fan not working?

Bearings inside the condenser fan motor can go bad due to wear and tear as well as lack of maintenance, or the entire motor may fail. Without the motor’s operation, your outside AC fan will stop working as a result.

How do I know if my air conditioner blower motor is bad?

If you turn on your air conditioning system and find that there is no air blowing out of the AC unit, or no buzz of the blower fan motor, then it is possible the AC blower motor has an issue. This is one of the most common and easy ways to know if your air conditioner blower motor is broken or not.

What happens when the blower motor on a car stops working?

The blower motor is the central component of the air conditioning system, responsible for blowing hot or cold air through the AC vents in a car. If the blower motor stops working due to a fault, the air will not flow out of the vents when you switch on the AC in your vehicle. A mouse nest in the fan blower motor cage.

Below you will find two interesting articles on a similar topic 👇

How much does it cost for a blower motor?

What causes a heater fan to stop working in a car?

Tired of looking for a video for your question?

Video Answer below 👇

Were our answers helpful?

Yes No

Thanks so much for your feedback!

Have more questions? Submit a request

FAQ for the last Day

  • Why is my heat not working?
  • Dirty and clogged filters are one of the primary causes of furnace problems and can cause high operating costs. The heat exchanger can overheat and shut off quickly when filters are clogged with dust and dirt. This also causes soot buildup on the heat exchanger, which makes your furnace run less efficiently.If your heat is not working, the first thing to do is figure out why. In most cases, the ca...

  • Why is my car blowing cold air when the heat is on?
  • Low Coolant Level The coolant (usually a mixture of water and antifreeze) in your engine doesn't just work to keep the engine from overheating: It's also the source of heat supporting the heating system. If there isn't enough coolant in your system, the heater core will blow cold air into your car.Contaminated coolant and low coolant levels in the vehicle are also among the most common reasons why...

  • How long should I warm up my car in winter?
  • How long should you let your car warm on a cold day? Most automobile experts say gently driving for about 15 minutes will get your car's engine temperature up to its optimal performance levels. If you choose to idle your car, the EPA recommends doing so for no longer than 30 seconds (or a minute on really cold days).How long do cars need to warm up? Usually, a car does not need to be warmed up, ev...

  • Does using heater in car use fuel?
  • The answer is yes, your car heater does use fuel to operate. But it recycles heat which is already being used to power the car from the engine, so the extra fuel used by the heaters won't be an excessive amount.

  • How do you warm up your car when camping?
  • Cars lose most of their heat through their windows. Trap warmth by putting a thick reflective sun shield in your front windshield, and cutting insets out of Reflectix wrap (available at most hardware stores) for your other windows. Push the insets into the windows before getting ready for bed.Run the heat for 10 minutes each hour. If you’ll be in the car for a few hours, give yourself little blast...

  • What drains an electric car battery the most?
  • After the motors of the drivetrain, heating and cooling the battery pack (and the cabin) of an electric car are the biggest drains on its power reserves, says Ashley Fly, a lecturer in vehicle electrification at Loughborough University in the UK.The most common reason a car battery is draining is parasitic drain caused by a faulty electric consumer like a bad door lock switch or a trunk lock switc...

  • When should I plug my block heater into my car?
  • A general rule of thumb is to plug in your engine block heater when the weather reaches -15° C or lower, just to be safe. If you drive a diesel vehicle, you may need to plug in the engine block heater before temperatures drop that low.As a general rule, anytime the temperatures dip below -20° Celcius or -4° Fahrenheit, you should plug in the block heater on your vehicle. Once the temperature falls...

  • How long will a car battery run a heater?
  • How long will a 12 volt battery run a 1500 watt heater? E (battery pack) = 8 * 12V * 165Ah = ~15800 VAh So, such a battery pack can power a 1500W space heater for 8 hours using an 85% efficient power inverter. Does a car heater drain the battery? Q: Does Car Heater Use Battery? A: The heater itself will not drain the battery, however, the fans that blow the heat may. Heater fans get power through...


Leave a Comment

Email us