Sumikura Error Codes
Every Sumikura error code we have catalogued, with what it means on site — 3 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.
3 codes
| Code | What it means |
|---|---|
| E1 | Room temperature sensor fault |
| E2 | Indoor pipe sensor fault |
| EC | Refrigerant leakage detection |
Official Sumikura source / manual ↗
Look up any error code — offline — in R-Pro.
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