Haier Error Codes
Every Haier error code we have catalogued, with what it means on site — 24 codes in total. In R-Pro, tap any code to get the meaning, likely causes and inspection steps, even with no signal in the plant room.
24 codes
| Code | What it means |
|---|---|
| E0 | Condensate drain violation / clogged |
| E1 | Room temperature sensor fault |
| E2 | Heat exchanger sensor fault |
| E3 | Low pressure protection |
| E4 | Indoor EEPROM error |
| E5 | Compressor overload protection |
| E6 | Indoor fan motor error |
| E7 | Communication error (indoor/outdoor) |
| E12 | Outdoor EEPROM error |
| E14 | Indoor fan motor malfunction |
| F1 | IPM protection |
| F2 | Compressor over-current |
| F3 | IPM ↔ main PCB comm error |
| F4 | Discharge temperature overheat |
| F6 | Ambient temp sensor fault |
| F7 | Suction temp sensor fault |
| F8 | Outdoor DC fan motor fault |
| F11 | Compressor deviation / breaker trip |
| F13 | Low refrigerant level |
| F19 | Voltage fluctuation (too high/low) |
| F22 | Outdoor over-current protection |
| F25 | Discharge temp sensor fault |
| F27 | Compressor locked rotor |
| FF | Controller communication failure |
Official Haier source / manual ↗
Look up any error code — offline — in R-Pro.
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