Onida Error Codes
Every Onida error code we have catalogued, with what it means on site — 21 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.
21 codes
| Code | What it means |
|---|---|
| E1 | High-pressure protection |
| E2 | Indoor anti-frozen protection |
| E3 | Low-temperature protection |
| E4 | Discharge temperature protection |
| E5 | Compressor overload protection |
| E6 | Communication error |
| E7 | Mode conflict (heating vs cooling) |
| F0 | Environmental temp sensor malfunction (indoor) |
| F1 | Pan tube inlet/ambient temp sensor (indoor) |
| F2 | Pan tube middle temp sensor (indoor) |
| F3 | Pan tube outlet temp sensor (indoor) |
| F4 | Environmental temp sensor malfunction (outdoor) |
| F5 | Pan tube inlet temp sensor (outdoor) |
| F6 | Pan tube middle temp sensor (outdoor) |
| F7 | Pan tube outlet temp sensor (outdoor) |
| F8 | Discharge temp sensor 1 (rated frequency) |
| F9 | Discharge temp sensor 2 (digital) |
| FA | Oil temp sensor 1 (rated frequency) |
| Fb | Oil temp sensor 2 (digital) |
| FC | High-pressure sensor malfunction |
| Fd | Low-pressure sensor malfunction |
Official Onida source / manual ↗
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