š§ York Aircon Master Diagnosis (2026)
Type your error code below for instant repair advice.
Complete York Aircon Error Code Reference (2026)
Browse the full list of York diagnostic codes below. If your error is not listed, please use the search tool above or contact our technicians directly.
| Code | Meaning & Potential Fault | Action |
|---|---|---|
| E0 / E1 | Indoor EEPROM Error / Communication Malfunction. The unit cannot send signals between indoor and outdoor. | Book Repair |
| E3 | Indoor Fan Speed Malfunction. Fan motor is likely locked or the hall sensor is faulty. | Get Quote |
| E4 / E5 | Indoor Room or Evaporator Temp Sensor Abnormality. Sensor is short-circuited or disconnected. | Requires Service |
| EC | Refrigerant Leak Detection. Low gas levels or system blockage detected. | Leak Test |
| EE | Water Level Alarm. High water level in the drain pan, usually caused by a clogged pipe or faulty pump. | Clear Drain |
| F5 | Outdoor Fan Speed Malfunction / Compressor Overload. Critical outdoor unit issue. | Emergency WA |
| P0 / P1 | Inverter Module (IPM) or Voltage Protection. Electrical supply imbalance. | Technical Repair |
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Professional Chemical Cleaning
If your York aircon shows ‘EC’ or ‘E3’, a deep chemical wash might be the permanent solution.