Daikin AC Error Codes
Complete list of Daikin air conditioner error codes with meanings and solutions
Ad Space
Slot: 7338695895
Daikin Error Code List
| Code | Meaning | Severity | Fix |
|---|---|---|---|
| A1 | Indoor unit PCB defect | High | Replace indoor unit PCB |
| A5 | Freeze-up prevention | Low | Clean filters and check refrigerant level |
| C4 | Liquid pipe thermistor malfunction | Medium | Check and replace liquid pipe thermistor |
| E6 | Compressor motor lock | Critical | Check compressor and power supply |
| U4 | Communication error | High | Check wiring between indoor and outdoor units |
| E7 | Outdoor fan motor lock | High | Check outdoor fan motor and blade obstruction |
| F3 | Discharge pipe temperature high | High | Check refrigerant charge and condenser coil |
| H6 | Position detection sensor malfunction | High | Check compressor position sensor |
| J3 | Discharge pipe thermistor malfunction | Medium | Check and replace discharge thermistor |
| L5 | Compressor overcurrent | Critical | Check compressor, capacitor and power supply |
Ad Space
Slot: 7338695895
Understanding Daikin AC Error Codes
Daikin air conditioners display error codes when they detect problems with the system. These codes help identify issues quickly, saving time and money on diagnostics. Understanding these codes can help you determine whether you can fix the issue yourself or need to call a professional.
Severity Levels Explained
- Critical: Serious issues that require immediate professional attention. Do not operate the unit.
- High: Significant problems that should be addressed soon. Unit may work intermittently.
- Medium: Issues that affect performance but aren't urgent. Can often be fixed with basic troubleshooting.
- Low: Minor issues or informational codes. Usually resolved with simple actions like filter cleaning.
Basic Troubleshooting Steps
- Note down the error code displayed
- Turn off the AC and unplug it
- Wait 5 minutes before restarting
- If the error persists, check the meaning above
- For critical errors, contact a certified Daikin technician
When to Call a Professional
While some error codes indicate simple issues like dirty filters, others point to serious problems requiring professional repair. Always call a technician for:
- Compressor-related errors
- Electrical or high-voltage issues
- Refrigerant leaks or pressure problems
- Errors that don't clear after reset
- Any error you're not comfortable diagnosing
Frequently Asked Questions
How do I reset my Daikin AC after an error?▼
To reset your Daikin AC: 1) Turn off the unit using the remote or power button. 2) Unplug it from the power outlet. 3) Wait 2-3 minutes. 4) Plug it back in and turn on. If the error persists, the issue may require professional service.
What do Daikin AC error codes mean?▼
Daikin AC error codes indicate specific issues with your unit. Common categories include sensor errors, communication problems, compressor issues, and electrical faults. Use the table above to identify your specific error code.
When should I call a technician for my Daikin AC?▼
Call a technician for: 1) Critical errors related to compressor or electrical issues. 2) Errors that persist after resetting the unit. 3) Any error involving refrigerant leaks or high-voltage components. Never attempt to fix critical issues yourself.
Ad Space
Slot: 7338695895