Whirlpool Error Codes
Every Whirlpool error code we have catalogued, with what it means on site — 26 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.
26 codes
| Code | What it means |
|---|---|
| E2 | Anti-freezing protection mode |
| E4 | Compressor discharge protection |
| E5 | Overcurrent / high line voltage |
| E6 | Indoor/outdoor communication fault |
| EE | Storage slug or PCB malfunction |
| F0 | Low refrigerant / fan malfunction |
| F1 | Indoor ambient temp sensor fault |
| F2 | Indoor pipe temp sensor fault |
| F3 | Outdoor ambient temp sensor fault |
| F4 | Outdoor condenser temp sensor fault |
| F5 | Outdoor discharge temp sensor fault |
| H3 | Compressor overload protection |
| H4 | System overheating / wrong voltage |
| H6 | Indoor motor no feedback |
| H7 | Indoor & outdoor unit mismatch |
| Lc | Compressor startup failure |
| P7 | Carbon fin temp sensor fault |
| P8 | Carbon fin overheating |
| PL | DC under-voltage / over-current |
| PH | Over-input voltage protection |
| U1 | Phase current detection malfunction (compressor) |
| U5 | Phase current detection malfunction (system) |
| U7 | 4-way reversing valve issue |
| UA | Unit settings error / PCB fault |
| UH | Outdoor motor no feedback |
| UU | DC over-current / high input voltage |
Official Whirlpool source / manual ↗
Look up any error code — offline — in R-Pro.
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