How To Reset My Air Conditioner [ Reviewing 8 AC Brands]

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When the protection circuit breaker in your air conditioner unit trips, it's the most common reason for a reset. This occurs after a power loss and it's designed to avoid fires and explosions. So, how do you reset your air conditioner? We gathered answers for you and here's what we got. 

To reset your air conditioner using the reset button, you can follow these simple steps: 

  1. Use the thermostat to turn off your air conditioning system.
  2. Turn off your air conditioner at the circuit breaker. Locate the circuit breaker for your HVAC system. Change the setting to off.
  3. Look for the reset button. These buttons are usually red and small. 
  4. Hold the reset button down for 3 to 5 seconds before releasing it.
  5. Turn on all the switches, such as those in your breaker panel.

Read on as we present how to reset air conditioners from different brands. In addition, we'll cover how to reset your air conditioner without using the reset button and where the usual location of the reset button is.

An air conditioning system embedded on wall of a building, How To Reset My Air Conditioner [ Reviewing 8 AC Brands]

How To Reset Your Mitsubishi Air Conditioner?

You'll need to do the following to reset your Mitsubishi air conditioner:

Mitsubishi electric air conditioner

  1. Turn off the power to the air conditioner and the outdoor unit.
  2. Allow at least 30 seconds and up to one minute to pass.
  3. Restart both the internal and outdoor air conditioners.
  4. Turn on your air conditioner with the remote or the thermostat.

You can read more of this from this article on this page: How To Reset A Mitsubishi Air Conditioner [In 4 Easy Steps!]

How To Reset Your Sharp Air Conditioner?

Sharp air conditioner box outside that is placed on top of the house

Resetting the Sharp AC will return it to its default settings. Use the remote to program the air conditioner to perform the functions you want. Follow the steps below:

  1. Turn on the remote.
  2. Select the AC setting.
  3. Set the thermostat.
  4. Adjust the fan's speed.
  5. Change the direction of the wind.

You can check out this article on this page to learn more: How To Reset A Sharp Air Conditioner [Inc. Remote]

How To Reset Your GE Air Conditioner?

 A simple reset can often resolve an issue with your GE air conditioner. Let's look at how to reset both types of GE air conditioners.

Follow these procedures to reset a GE window air conditioner:

  1. Search for the reset button.
  2. Keep it held for 5 seconds.
  3. Allow 10 minutes for the clock to reset.

If your GE window air conditioner lacks a reset button, take these steps:

  1. Unplug the appliance.
  2. Allow 5 minutes.
  3. Replace the plug.

Here are the methods for resetting GE central air conditioner units:

  1. Turn the thermostat off.
  2. Locate the fuse box or circuit breaker.
  3. Find the AC breaker.
  4. Switch it off.
  5. Locate the unit's reset button.
  6. If applicable, hold it for 5 seconds.
  7. Restart the air conditioner.
  8. Activate the thermostat.

Read more from this article to further understand the process: How To Reset A GE Air Conditioner

How To Reset Your York Air Conditioner?

York Air conditioner. York logo or symbol at air conditioner cover, How Long Do York Air Conditioners Last?

A York air conditioner, like other household appliances, can malfunction from time to time. When this happens, you may need to reset the system.

Follow these procedures to reset your York air conditioner:

  1. Turn the thermostat off.
  2. Turn off your air conditioner.
  3. Search for the reset button.
  4. Press it for 5 seconds.
  5. Restart the air conditioner.

If you want to know more about the reasons why you need to reset your York AC unit, check out this article: How To Reset A York Air Conditioner [A Step-By-Step Guide]

How To Reset Your Ruud Air Conditioner?

If your Ruud AC needs to be reset, follow these instructions:

  1. Turn off the power to your air conditioner.
  2. On your Ruud air conditioner, locate the reset button.
  3. Press and hold the reset button for 3 to 5 seconds before letting go.
  4. Restart your air conditioner.

Check out this article to have more in-depth knowledge of resetting your Ruud air conditioner: How To Reset A Ruud Air Conditioner

How To Reset Your Carrier Air Conditioner?

Carrier air conditioner outside the building

If you wish to restart your Carrier air conditioner, you can normally push the reset button. Here's how to use the button to reset it:

  1. Look beneath the unit's digital display. There will be a control panel with a small "Reset" button there.
  2. Release after 3 seconds of pressing and holding. Hold for another 3 seconds if it doesn't work.
  3. Watch for a flash of light.
  4. Wait a few moments to see whether this resolves the technical problem.

If your Carrier unit doesn't have a reset button or you can't find it, simply switch off the power source to the AC. After a few seconds, turn it back on.

You can check out this article to read more: How To Reset Carrier Aircon [Even Without A Reset Button]

How To Reset Your Lennox Air Conditioner?

Follow these procedures to reset your Lennox air conditioner:

  1. Turn off the air conditioner on your thermostat first.
  2. Look for the breaker that controls your Lennox air conditioner on your breaker panel.
  3. Reset the breaker now.
  4. Before resetting the breaker, wait at least 30 seconds.
  5. Finally, use the thermostat to turn on your air conditioning.

Check out this article to know why you need to reset your Lennox AC unit: How To Reset Lennox Air Conditioner

How To Reset A Daikin Air Conditioner?

If your Daikin air conditioner remote isn't working, try resetting the remote or controller.

To reset a Daikin air conditioner remote, follow these steps:

  1. On your Daikin air conditioner's remote, look for the ON/OFF button.
  2. Hold the button down for 2 seconds.
  3. To turn off the unit, press the ON/OFF switch once.
  4. To restart it, press it a second time.

How To Reset An AC Without Using The Reset Button

Not all air conditioners have a reset button. So, you need to look for other ways to reset your air conditioner. Aside from using the reset button, you can reset your air conditioner by: 

  • Using The Isolator Switch
  • Resetting The Circuit Breaker
  • Using The AC Thermostat

Using Isolator Switch

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An isolator switch may be installed between your appliances and the main electrical supply on your air conditioner.

Isolating your air conditioner from the electrical system improves safety during maintenance and repairs. You may effectively restart your air conditioner by turning it off and on.

Red switch box AC isolator

To do this, you must:

  • First, locate the isolator switch on the outdoor unit frequently to reset the system. Near the condenser, it's usually a lever on a V-shaped socket. Older types, in comparison, may resemble the standard switches seen in most homes.
  • After you've found the isolator, switch it off and wait 30 minutes. The appliance has enough time to remove the electrostatic charge.
  • After half an hour, you can turn the lever, and your air conditioner should automatically restart.
  • Once your air conditioner turns on, try it to see if it's working.

Resetting The Circuit Breaker

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If you can't get your air conditioner to reset using the isolation or reset buttons, try the circuit breaker.

Installation of residential circuit breakers

The breaker box in your home usually contains one huge switch and many switches for different circuits. A label on most breakers will show the precise connection. Find the one marked "AC" and turn it off.

If there is no label, locate and turn on the switch in the neutral position. You can now turn on your air conditioner to see if it works. However, if the system does not resume, avoid continually turning on and off the circuit breaker.

Remember, it is safer to consult a skilled professional if you feel there is an issue with the air conditioner. Attempting to repair some faults can result in electrocution or damage to your home.

Using The AC Thermostat

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If none of the above methods work, the next option is to reset the thermostat. Depending on the temperature readings, the thermostat instructs your air conditioner to cool the air. If it is faulty, your device may not function at all.

Before restarting the system, you can change the batteries in your device. Sometimes, you must remove the batteries to discharge the electronic components in the air conditioner. If your thermostat is broken, contact a trained technician for a replacement.

The air conditioning and heating control panel for the apartment and office is located on a white wall

The procedure for resetting the thermostat varies depending on the model. Most current devices can be reprogrammed and restarted by holding down the reset button for five seconds. The button is usually on the face of the thermostat or under the cover.

You can read more on how to reset a thermostat in this article on this page: How To Reset Thermostat After Replacing Batteries.

Where Is The Reset Button Located?

The easiest place to look for an air conditioner's reset button is near the exterior unit. It's commonly a push-button on the outdoor unit.

Air conditioning system installation embedded on wall of building

Look for a little copper tube attached to the refrigeration system's line. A tiny copper tube will be linked to the pressure switch's opposite end. There will be a small red button on it. You normally find this button on the unit's front panel.

Final Words

Now that you've reached this section, we hope you are now equipped with the knowledge on how to reset your air conditioner. 

Remember, there are a few ways to reset your air conditioner. You can do it with the reset button, isolator switch, circuit breaker, or thermostat- whichever method you prefer.

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