How to Reset Daikin Air Conditioner

Posted: March 10, 2024

Daikin air conditioners have become an indispensable ally in maintaining a cool and comfortable indoor environment. However, like any Daikin parts, in your air conditioner may occur issues that require troubleshooting and, in some cases, a complete reset. Resetting a Daikin air conditioner may be necessary for various reasons, such as addressing technical issues, clearing error codes, or restoring the system to its default settings. Your unit can often resolve common issues and restore it to proper working condition. We'll cover everything you need to know about resetting your Daikin air conditioner.

Why reset your daikin air conditioner?

Resetting your Daikin air conditioner can help resolve various issues and ensure that the system operates effectively. Here are some common reasons for resetting a Daikin air conditioner:

  • Technical Malfunctions: Resetting the air conditioner can help troubleshoot technical issues such as unresponsiveness, abnormal system behavior, or sensor errors.
  • Error Codes: Clearing error codes by resetting the air conditioner can be beneficial, especially if the system has encountered power fluctuations or other irregularities.
  • Restoring Default Settings: Resetting the air conditioner can restore it to its default settings, which can help address configuration issues or return the system to a known, stable state.

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How to reset daikin air conditioner using hard reset?

To perform a hard reset on a Daikin air conditioner, you can follow these general steps:

  • Locate the Power On/Off button on the remote control or the indoor unit of the air conditioner.
  • Turn off the air conditioner by pressing the Power On/Off button. Make sure the unit is completely powered down.
  • Next, locate the circuit breaker or the power disconnect switch for the air conditioner. This is usually located near the outdoor unit of the air conditioner. Turn off the power to the air conditioner by switching off the circuit breaker or using the power disconnect switch.
  • Leave the air conditioner without power for at least 5-10 minutes to ensure all internal components are fully discharged and reset.
  • After the waiting period, turn the circuit breaker back on or turn the power disconnect switch to the "on" position to restore power to the air conditioner.
  • Use the remote control or the Power On/Off button on the indoor unit to turn on the air conditioner, and it should now be reset.

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How to reset daikin air conditioner using ‘reset button’ reset technique?

To reset a Daikin air conditioner using the "Reset Button" reset technique, you can follow these general steps:

  • Locate the Daikin air conditioner reset button. The Daikin AC reset button is typically located on the outdoor unit of the air conditioner.
  • Press and hold the reset button on ac unit outside for about 5 seconds. You may need to use a pen or a small tool to press the button, depending on the design of your unit.
  • Release the reset button after holding it for the specified duration.
  • Wait for a few minutes to allow the air conditioner to complete the reset process.
  • Once the reset process is complete, turn on the air conditioner using the remote control or the Power On/Off button on the indoor unit.
  • Monitor the air conditioner to ensure that it is operating correctly after the reset.

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How to reset daikin air conditioner using remote control reset?

Daikin air conditioner remote control reset requires these general steps:

  • Ensure that the air conditioner is in standby mode.
  • Using Daikin mini split remote, press and hold the "Cancel" or "Reset" button for a few seconds. The exact button and sequence may vary depending on the model of the remote control and the air conditioner.
  • Release the "Cancel" or "Reset" button after holding it for the specified duration.
  • Wait for a few minutes to allow the air conditioner to complete the reset process.
  • Once the reset process is complete, you can test the air conditioner by adjusting the settings or turning it on using the remote control.

How to reset daikin air conditioner with thermostat reset or factory reset?

Daikin thermostat reset typically involves specific steps tailored to the model and type of the air conditioning unit. Here are some general steps for a thermostat reset or factory reset:

  • Locate the thermostat control panel on the air conditioner. The exact location and design of the control panel may vary depending on the model.
  • Depending on the specific instructions for your unit, you may need to enter a particular sequence of commands or press buttons on the thermostat to access the reset options. Refer to the Daikin air conditioner manual to obtain the correct sequence for initiating a Daikin thermostat reset or factory reset.
  • Once you have accessed the reset options, follow the instructions for initiating a thermostat reset or restoring the air conditioner to its factory settings.
  • After completing the reset process, monitor the air conditioner to ensure that it is operating correctly.

How to reset daikin air conditioner with timer reset?

Resetting a Daikin air conditioner using a timer reset typically involves specific steps tailored to the unit's model and its timer system. 

  • Locate the timer control panel on the air conditioner. The design and location of the control panel may vary based on the model.
  • Access the timer settings using the remote control or the control panel on the air conditioner.
  • Navigate through the timer settings to find the reset option. Depending on your unit's specific features, the reset option may be labeled "Timer Reset" or similar.
  • Follow the instructions in the Daikin air conditioner manual to initiate the timer reset accurately. This may involve pressing specific buttons or entering a particular sequence of commands.
  • Once the timer reset is initiated, wait for the process to complete. This may involve the timer settings reverting to their default state or being cleared entirely.
  • After completing the reset process, verify that the air conditioner is functioning as expected.

How to reset daikin air conditioner with green light reset?

Some Daikin air conditioners feature a green light indicator that can be used for resetting the unit. Here's how:

  • Locate the Daikin mini split blinking green light in your air conditioner.
  • Press and hold the green light button for a few seconds.
  • Release the button and wait for the unit to reset.
  • Check if the issue has been resolved.

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How to reset the daikin air conditioner after a power outage?

To reset a Daikin AC not working after power outage, you can follow these general steps: 

  • Turn off the air conditioner using the remote control or the Power On/Off button on the indoor unit.
  • Locate the circuit breaker or the power disconnect switch for the air conditioner. Turn off the power to the air conditioner by switching off the circuit breaker or using the power disconnect switch.
  • Leave the air conditioner without power for at least 5-10 minutes to ensure that internal components fully discharge and the system resets.
  • After the waiting period, turn the circuit breaker back on or turn the power disconnect switch to the "on" position to restore power to the air conditioner.
  • Use the remote control or the Power On/Off button on the indoor unit to turn on the air conditioner. The unit should now be reset.

How to reset daikin error codes?

Resetting Daikin error codes typically involves addressing the underlying issue that caused the error to appear. However, clearing the error code itself may not resolve the root cause of the problem.

  • Identify the specific error code displayed on the air conditioner. The error code may be shown on the unit's display panel or through blinking LEDs.
  • Refer to the Daikin air conditioner manual interpret the meaning of the error code, and identify the potential cause of the issue.

Here are some of the major Daikin mini split fault codes:

Fault Code

Cause

A1

Faulty indoor unit printed circuit board (PCB)

A3

Issues with the drain level control system

A5

System detects potential freezing on the indoor coil

A6

Faulty indoor or outdoor fan motor

A7

Faulty swing motor controlling air deflector movement

A9

Malfunction of EEV (Electronic Expansion Valve)

H3

High-pressure switch activated

H4

Low-pressure switch activated

H6

Compressor motor overload protection

H8

Current transformer malfunction

U2

Refrigerant system non-conformity

  • Once you have addressed the underlying issue, you may need to reset the error code. In some cases, this can be accomplished by turning off the air conditioner, waiting for a short period, and then turning it back on. This allows the system to re-evaluate its operation and may clear the error code if the issue has been resolved.
  • If the error code persists after performing a general reset, it's advisable to consult the product manual for specific Daikin mini split error codes reset procedures or seek assistance from Daikin's customer support.

Resetting your Daikin air conditioner can often resolve common issues and restore it to a proper working condition. Whether you're dealing with a hard reset, reset button, remote control, thermostat reset, timer reset, or address error codes, these methods can help you troubleshoot your Daikin air conditioner not turning on and reset your Daikin air conditioner effectively. If you encounter problems with Daikin air conditioner parts, consider HnKParts, which provides an extensive selection of Daikin replacement parts to address your needs.

FAQs

Where can I find the reset button on my daikin air conditioner?

The air conditioner reset button location is near the control panel or on the unit itself. Refer to your unit’s user manual for specific instructions.

How do I reset a daikin error code?

To reset a Daikin error code, you can unplug the air conditioner from the power source or use the remote control to reset the AC.

Why is my daikin air conditioner not cooling?

Several factors could cause your Daikin air conditioner to not cool properly, including dirty filters, refrigerant leaks, or compressor issues. Try resetting your unit using the methods outlined in this guide, and if the issue persists, consider contacting a technician for further assistance.

Why is my daikin air conditioner not turning on?

A Daikin air conditioner that won't turn on could be experiencing issues with the power supply, thermostat settings, or internal components. Try resetting your unit using the methods outlined in this guide, and if the issue persists, check for any underlying problems or contact a technician for assistance.

Can I reset my daikin air conditioner without turning off the power supply?

While it's generally recommended to cut off the power supply when resetting your Daikin air conditioner, some methods, such as remote control resets or thermostat resets, may not require turning off the power supply. However, for a more thorough reset, it's advisable to follow the hard reset method outlined in this guide.