How do I reset my outside AC fan?

Author: Julianne Gorczany  |  Last update: Monday, August 18, 2025

Resetting your AC unit usually involves turning off the power, waiting for a specific duration, and then turning it back on. This process can vary slightly depending on the make and model of your unit. Typically, you'll find a reset button on the outdoor unit. Press and hold it for a few seconds.

How do you reset an air conditioner fan outside?

In AC systems, the air conditioner reset button is on the outside unit's lower edge, typically close to the ground. Some models have the reset button located behind the service panel, which may require tools to remove. Reset buttons are usually red or yellow with a clear “reset” label.

Why is the outside fan not working on my AC unit?

One of the top reasons your AC fan may not be spinning is if the capacitor is dead. A fan's capacitor is a small, cylindrical component that transmits energy signals that power the motor of the fan and the overall AC unit.

Do all outside AC units have a reset button?

Not all air conditioning units have a reset button, but if yours does, it's typically located on the outdoor unit. Here's how to locate it: Turn Off the Power: Before you search for the reset button, ensure the power to the unit is turned off for safety reasons.

How to reset AC blower motor?

Most blower motors are controlled by a red or black switch on the side of the unit. Hold the button down for a few seconds (the manual will tell you precisely how long), then release. Replace the Panel and Restore Power.

Is there a reset button on outside AC unit?

Why is my AC fan not kicking on?

An outside AC fan not spinning could be caused by power supply issues, a faulty capacitor, a burnt out motor, contactor issues, wiring problems, debris or obstruction, a faulty thermostat or control board, or frozen evaporator coils. Contact your local Carrier dealer to help troubleshoot the issue further.

Do all blower motors have a reset button?

It's designed to automatically shut off the furnace blower if it overheats. Once the blower cools down, pressing the reset button can help restart the furnace. However, it's essential to understand that not all furnace models are equipped with this feature.

How do I reset my AC manually?

Some air conditioning systems have a reset switch, which is a small, red button. Typically, the button will be on the outdoor unit. If you have a problem locating it on the outdoor unit, you may find relevant details on the equipment's manufacturer's manual. Press the red button for three seconds and release.

Why would outside AC unit not come on?

This could be due to a bad electrical connection, an overheated motor or a short circuit. To check the circuit breaker, locate it in your home's circuit breaker box and look for a tripped breaker, which will be in the center position between on and off. Reset the breaker and see if your AC works again.

How long to leave AC unit off to reset?

Shut off your system by hitting the isolation switch, wait 30 to 60 minutes and then turn it back on. This manual reboot fully disconnects your AC unit from power, allowing all electrical components to reset.

How do I know if my outside AC fan motor is bad?

7 Signs Your AC Fan Motor Is Failing
  1. The Fan Won't Come On. A sure sign of a bad fan motor is a cooling fan that will not come on. ...
  2. The Fan Blades Rotate Slowly. ...
  3. The Condensor Makes a Rattling Noise. ...
  4. The Fan Runs Intermittently. ...
  5. Fan Runs When Unit Is Off. ...
  6. You Smell Burning Smells. ...
  7. Frequently Tripped Breakers.

Can AC work without outside fan?

Air conditioning without an outdoor unit is called water cooled air conditioning, because it uses mains water to cool down the internal refrigerant, rather than outside air. This allows the system to be fully internal, as all of its components are located within the property.

Why is my AC not blowing cold air but the fan is on?

If your AC is running but not cooling, it could be due to a dirty air filter, incorrect thermostat settings, a malfunctioning thermostat, a refrigerant leak, dirty condenser coils, blocked vents or ducts, a faulty compressor, frozen evaporator coils, or electrical issues.

Why is the fan on my outdoor AC unit not working?

If the compressor is working, but the fan won't turn, then the problem is most likely with the motor and/or capacitor. When an AC fan is not spinning and no audible indications of compressor activity are detected, it is usually due to a lack of power or a malfunctioning compressor contactor.

How do I reset my outside AC breaker?

How to Reset Air Conditioner Breaker in Six Steps
  1. Step 1: Find the Service Panel or Circuit Breaker Box. ...
  2. Step 2: Power Down the AC Unit and Thermostat. ...
  3. Step 3: Find the AC Breaker Switch and Reset It. ...
  4. Step 4: Try the Isolator Switch. ...
  5. Step 5: Use the Reset Button on the AC Unit.

Should the outside fan run when AC is on?

The short answer: Definitely not. (Unless you have manually engaged your outside fan to run constantly, but it shouldn't be running for hours on it's own.) If your HVAC is functioning correctly, it should keep your house cool by cycling on for 15-20 minutes at a time—with distinct pauses in between each cycle.

Why is my outside unit not running but inside is?

When the outside unit breaks down but the inside unit is running, the culprit may well be a broken compressor in the outside unit. That's typically a major repair, something that might even warrant a system replacement.

How do I reset my outside air conditioning unit?

It's a small, red button usually located on or around the unit. The button should have a clear 'reset' label. Once you find the button, press it for around three seconds and observe the AC. Check whether the AC kicks on immediately and if it doesn't, press the button again for another three seconds.

How do I get my outside AC unit to kick on?

Outside AC Unit Won't Turn On? What to Do Before Calling for Repairs
  1. Make sure the thermostat is set to COOL. ...
  2. Check the emergency or shut-off switch. ...
  3. Check the inside unit's power switch. ...
  4. Look for a blown fuse or tripped circuit breaker. ...
  5. Look for problems with your condensate drain line. ...
  6. Try resetting the air conditioner.

Does my outside AC unit have a reset button?

Check For An AC Reset Button

To check if your system has this button, you'll need to look for it on your outdoor unit. Usually, it's a large red button. If you don't see it or find it difficult to reach, it might be best to contact our professionals to come to check your unit for you.

How to reset AC fan?

Resetting your AC unit usually involves turning off the power, waiting for a specific duration, and then turning it back on. This process can vary slightly depending on the make and model of your unit. Typically, you'll find a reset button on the outdoor unit. Press and hold it for a few seconds.

Why is my AC unit not kicking on?

Common Reasons Why Your Air Conditioner is Not Turning On

Resetting your thermostat is often all that's necessary to get it working again. A tripped circuit breaker is another common reason why your AC won't turn on. Using too many appliances at once can trip the circuit breaker.

Where is the blower motor reset?

First, turn off the power supply to the furnace by turning off the breaker in the circuit box. 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.

What would cause a blower not to work?

One of the most prevalent factors that can cause a blower motor to stop working is a blown fuse. A fuse prevents electrical circuits from an excessive flow of current that may run in them. Over time or due to any sudden surge, it might blow the fuse and cut power to the blower motor.

Does the blower motor control the fan?

The blower motor lets you adjust the fan settings of your air conditioning (A/C) system. The blower motor turns the blower fan, which forces air through the heating, ventilation, and air conditioning (HVAC) system and out of the car's vents.

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