Kelvinator Error Codes
Every Kelvinator error code we have catalogued, with what it means on site — 32 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.
32 codes
| Code | What it means |
|---|---|
| C5 | Jumper cap malfunction |
| D1 | DRED (compressor off) |
| D2 | DRED (output -50%) |
| D3 | DRED (output -75%) |
| E2 | Anti-freeze protection |
| E3 | Gas leak or refrigeration blockage |
| E4 | Compressor high-temperature protection |
| E5 | AC overcurrent protection |
| E6 | Communication fault |
| E8 | Anti-high temperature protection |
| EE | EEPROM malfunction |
| F1 | Indoor room temperature sensor failure |
| F2 | Indoor tube temperature sensor failure |
| F3 | Outdoor ambient sensor failure |
| F4 | Outdoor coil sensor failure |
| F5 | Outdoor compressor discharge sensor failure |
| F6 | Anti-high temperature protection |
| FH | Frequency drop / anti-freeze limit |
| H1 | Defrosting mode |
| H3 | Compressor overload protection |
| H5 | IPM protection |
| H6 | Indoor fan motor stall |
| HC | PFC protection |
| L3 | Outdoor DC fan motor malfunction |
| LP | Indoor/outdoor unit mismatch |
| P1 | Compressor rated frequency test |
| P2 | Compressor maximum frequency test |
| P3 | Compressor medium frequency test |
| PH | High voltage protection |
| PL | Low voltage protection |
| PO | Compressor minimum frequency test |
| U7 | 4-way valve problem |
Official Kelvinator source / manual ↗
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