Reset Daikin Air Conditioner - Featured

How to Reset Daikin Air Conditioner: Your Guide to Cooling Comfort

Are you struggling with your Daikin air conditioner? Has it suddenly stopped cooling your home or office, leaving you in discomfort during those scorching summer days? Don’t worry; you’re not alone. Air conditioning issues can be frustrating, but there’s often a simple solution – resetting your Daikin air conditioner. In this extensive guide, we’ll walk you through the process of resetting your Daikin air conditioner step by step. Whether you’re a seasoned DIY enthusiast or a complete novice, we’ve got you covered.


Daikin air conditioners are renowned for their reliability and efficiency. However, like any electrical appliance, they can encounter glitches and require a reset. Resetting your Daikin air conditioner can resolve a variety of issues, from unresponsive controls to temperature discrepancies. This guide aims to demystify the resetting process and equip you with the knowledge and confidence to tackle common problems.

The Basics of Daikin Air Conditioners

Before we dive into the nitty-gritty of resetting your Daikin air conditioner, let’s start with the basics. Understanding how your air conditioner works is crucial to troubleshooting and resolving issues effectively.

How Does a Daikin Air Conditioner Work?

Daikin air conditioners operate on the principles of refrigeration. They extract heat from the indoor environment and release it outside, cooling the indoor space. Here’s a simplified breakdown of the process:

  1. Air Intake: The air conditioner draws warm indoor air through the return vents.
  2. Cooling Coil: Inside the unit, a cooling coil contains a refrigerant that cools the air as it passes over it.
  3. Compressor: The compressor pressurizes the refrigerant, turning it into a high-temperature, high-pressure gas.
  4. Condenser Coil: The hot, pressurized gas flows to the outdoor unit, where it releases heat as it condenses into a liquid.
  5. Expansion Valve: The liquid refrigerant passes through an expansion valve, reducing its pressure and temperature.
  6. Evaporator Coil: The now cold refrigerant returns indoors, where it absorbs heat from the indoor air.
  7. Air Discharge: The newly cooled air is blown back into the room, effectively lowering the indoor temperature.
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Understanding this process sets the stage for comprehending why and how to reset your Daikin air conditioner when problems arise.

Why Resetting Your Daikin Air Conditioner is Necessary

Resetting your Daikin air conditioner can serve as a troubleshooting technique for a range of issues. Here are some common scenarios where a reset might be the solution:

1. Unresponsive Controls

Are your remote control or unit controls not responding? An unresponsive air conditioner can leave you in an uncomfortable climate. Resetting can often revive the control system.

2. Incorrect Temperature Settings

If your Daikin air conditioner isn’t cooling or heating as desired, resetting it can restore proper temperature control.

3. Sensor Errors

Daikin air conditioners use sensors to detect room temperature and adjust their operation accordingly. Sensor malfunctions can lead to discomfort. A reset can recalibrate these sensors.

4. Power Surges

Electrical surges or outages can disrupt your air conditioner’s functioning. Resetting it after a power issue can help it regain stability.

5. Software Glitches

Just like any other electronic device, your Daikin air conditioner runs on software. Occasionally, software glitches can cause operational problems. A reset can clear these issues.

6. Routine Maintenance

Performing a reset can also be a part of your routine maintenance schedule. It helps keep your air conditioner running smoothly and efficiently.

Now that we understand why resetting is essential, let’s explore how to reset your Daikin air conditioner effectively.

How to Reset Daikin Air Conditioner: Step-by-Step Guide

Resetting your Daikin air conditioner may seem daunting, but it’s a straightforward process. Follow these steps carefully to ensure a successful reset.

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Step 1: Turn Off the Power

Before attempting any reset, it’s crucial to turn off the power to your Daikin air conditioner. This ensures your safety and prevents electrical mishaps.

  1. Locate the power switch on the indoor unit or the power plug on the wall. Switch it off.
  2. If your Daikin air conditioner has a remote control, remove the batteries to prevent accidental activation during the reset.

Step 2: Wait for 5 Minutes

Allow the air conditioner to sit without power for at least five minutes. This step is essential as it gives the system time to reset itself fully.

Step 3: Power On

After the waiting period, it’s time to power on your Daikin air conditioner.

  1. Turn on the power switch on the indoor unit or plug it back into the power source.
  2. If you removed the batteries from the remote control, reinsert them.

Step 4: Reset the Settings

Now that your Daikin air conditioner has power again, it’s time to reset the settings to their default values.

  1. Locate the “Mode” button on your remote control or the unit’s control panel.
  2. Press and hold the “Mode” button for approximately five seconds until you hear a beep. This indicates that the settings have been reset.
  3. Check your user manual for any specific instructions related to your Daikin model, as the reset process may vary slightly.

Step 5: Test the Air Conditioner

Once the settings are reset, test your air conditioner to ensure it’s functioning correctly.

  1. Set the desired temperature and mode on the remote control.
  2. Observe the air conditioner for a few minutes to ensure it’s cooling or heating as expected.

Congratulations! You’ve successfully reset your Daikin air conditioner. In most cases, this process should resolve any minor issues you were experiencing. However, if problems persist, it may be time to consider other troubleshooting steps or seek professional assistance.

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Frequently Asked Questions (FAQs)

To provide you with a comprehensive guide on resetting your Daikin air conditioner, let’s address some frequently asked questions:

How often should I reset my Daikin air conditioner?

Resetting your Daikin air conditioner should be a rare occurrence. It’s typically done when you encounter specific issues like unresponsiveness or temperature discrepancies. If your air conditioner is functioning correctly, there’s no need to reset it regularly.

Can I reset my Daikin air conditioner using the remote control?

Yes, you can reset your Daikin air conditioner using the remote control. Follow the steps mentioned earlier, but instead of using the unit’s control panel, use the “Mode” button on the remote control.

Is there a specific time of day when resetting is more effective?

Resetting your Daikin air conditioner can be done at any time of day. The key is to follow the correct procedure to ensure a successful reset. It’s often recommended to perform a reset when you encounter issues rather than on a set schedule.

Are there any risks associated with resetting my Daikin air conditioner?

Resetting your Daikin air conditioner is generally safe and carries minimal risks. However, it’s essential to follow the correct procedure, including turning off the power, to avoid electrical accidents. If you’re unsure about the process, consider consulting your user manual or contacting a professional technician.

What should I do if resetting doesn’t resolve my air conditioner’s issue?

If resetting your Daikin air conditioner doesn’t resolve the problem, it’s advisable to consult the user manual for specific troubleshooting guidance. If the issue persists, it may be time to contact a qualified technician for a thorough inspection and repair.

Can I perform a factory reset on my Daikin air conditioner?

Yes, you can perform a factory reset on some Daikin air conditioner models. However, this should be done with caution, as it restores all settings to their original factory state, erasing any customized configurations. Refer to your user manual for instructions on performing a factory reset if needed.


In this comprehensive guide, we’ve explored the intricacies of resetting your Daikin air conditioner. Understanding the basic principles of how your air conditioner operates is essential for effective troubleshooting. Whether you’re dealing with unresponsive controls, temperature discrepancies, or sensor errors, a well-executed reset can often resolve these issues.

Remember that resetting your Daikin air conditioner should be a last resort, reserved for when you encounter specific problems. Routine maintenance and proper care can go a long way in preventing the need for frequent resets.

By following the step-by-step guide outlined in this article and referring to your user manual for model-specific instructions, you can confidently reset your Daikin air conditioner and enjoy a comfortable indoor environment once again. If issues persist despite your efforts, don’t hesitate to seek professional assistance to ensure your air conditioner operates at its best. Stay cool and comfortable year-round with a well-maintained Daikin air conditioner!