How to Clear Daikin Fault Codes: A Comprehensive Guide

Daikin air conditioning systems are known for their reliability and efficiency, but like any complex machinery, they can sometimes encounter issues that trigger fault codes. Clearing these fault codes is crucial for restoring your Daikin system to optimal performance. In this comprehensive guide, we’ll walk you through the step-by-step process of clearing Daikin fault codes, covering a wide range of Daikin models and control interfaces.

Clearing Fault Codes on Daikin Split Systems with a Display on the Controller

  1. Locate the On/Off Button: Identify the on/off button on your Daikin split system’s controller.
  2. Press and Hold the On/Off Button: Press and hold the on/off button for 10 seconds until the displayed fault code disappears.
  3. Verify the Fault Code Clearance: Ensure that the fault code is no longer displayed on the controller’s screen, indicating a successful reset.

Clearing Fault Codes on Daikin Systems with a Flashing “0” on the Temperature Display

how to clear daikin fault codesImage source: Daikin Air Conditioner Outdoor by Dinkun Chen

  1. Identify the Timer Cancel Button: Locate the timer cancel button on your Daikin system’s controller.
  2. Hold Down the Timer Cancel Button: Press and hold the timer cancel button for 5 seconds.
  3. Press the Timer Cancel Button Repeatedly: After holding the button for 5 seconds, press the timer cancel button repeatedly until a continuous beep is produced, which will indicate the corresponding fault code.
  4. Cancel the Code Display: To cancel the code display, hold the timer cancel button down for 5 seconds or wait for 1 minute.

Clearing Fault Codes on Daikin Systems with an Infrared Remote Controller

  1. Access the Inspection Mode: Press the Inspection/Test button on your Daikin system’s infrared remote controller to select “Inspection” mode.
  2. Set the Unit Number: Press the UP/DOWN button on the remote controller until a short beep is generated by the indoor unit, indicating the correct unit number.
  3. Display the First Part of the Fault Code: Press the MODE button, and the left “0” will flash. Press the UP/DOWN button until 2 short beeps are heard, which will display the first part of the fault code.
  4. Display the Second Part of the Fault Code: Press the MODE button again, and the right “0” will flash. Press the UP/DOWN button until 1 short beep is heard or a continuous beep is heard, indicating both digits match the fault code.

Clearing Fault Codes on Daikin Systems with a Wired Remote Controller

  1. Identify the Error Icon: Look for the error icon blinking on the basic screen of your Daikin system’s wired remote controller, along with the operation lamp.
  2. Access the Error Code: Press the menu enter button on the wired remote controller to see the error code displayed on the screen.
  3. Take Note of the Code: Make a note of the error code for further troubleshooting or reference.

Clearing Fault Codes on Daikin Systems with an Online Controller Application

  1. Locate the Error Indication: In the online controller application, look for a yellow warning sign indicating the error of the Daikin unit.
  2. Access the Error Code Details: Click on the unit with the yellow warning sign to get the details of the error code.

Clearing Fault Codes on Daikin Systems with a Green Flashing Light

  1. Identify the Fault Code: The fault code can be obtained through the remote control, wired remote controller, or online controller application. Take note of the double-digit code.

Resetting the Fault

  1. Turn Off the Power: Turn off the power to the Daikin system.
  2. Wait 10-15 Seconds: Allow 10 to 15 seconds for all the PC boards to depower.
  3. Turn the Power Back On: Turn the power back on to reset the fault.

By following these step-by-step instructions, you can effectively clear Daikin fault codes and restore your air conditioning system to its optimal performance. Remember to always refer to the manufacturer’s guidelines and safety precautions when working with Daikin equipment.


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