Do you have an error code displayed on your Daikin heat pump and are you looking to clear it? In this practical guide, discover the different methods for removing Daikin error codes and understand if it is a real problem requiring the intervention of a professional.
How to identify a real Daikin error code?
Before you try to clear a Daikin error code, it is essential to understand whether it is an active error or just a history. Here's how to tell the difference:
Active errors on your Daikin
- Permanent display on the main screen
- Flashing symbols (key and eye)
- Impact on the operation of the heat pump
Daikin Error History
- Visible only by pressing the “TEST” button
- No impact on current operation
- Keep track of old issues
Methods to clear a Daikin error code
Method 1: Power Off Reset
- Locate your heat pump circuit breaker
- Turn off the power for at least 10 seconds
- Restore power
- Check if the error code has disappeared
Method 2: Using the remote control
- Locate the gray checkerboard button at the bottom right
- Press this button
- The error code should clear if the problem is resolved.
Special case: The Daikin U0 error code
The U0 code deserves special attention because it often indicates a lack of refrigerant gas.
How to manage a U0 code?
- In history only: No immediate action needed
- Flashing display: Contact a professional
- With performance drop: Urgent intervention required
When clearing the error code does not work?
If the clearing methods don't work, it usually means that the problem persists. In this case:
For R410A
- Complete gas recovery is required
- Nitrogen leak test (35 bars)
- Vacuum draw (30-90 minutes)
- Full recharge to Daikin specifications
Daikin Error Codes FAQ
Is it normal to have error codes in the history?
Yes, some codes like U4 are normal and correspond to factory tests.
Should I be concerned if I see an error code only when pressing TEST?
No, as long as there is no flashing display on the front.
Does power off permanently clear errors?
Only if the original problem is resolved.
Conclusion: When to contact a professional?
Contact a qualified professional if:
- Error code persists after clear attempts
- You notice a drop in performance
- The error code is accompanied by flashing symbols
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