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If your Harvia Virta Combi shows a warning or isn't behaving as expected, use the guide below to identify the issue and the recommended fix. If a fault persists after these steps, contact our team.
Xenio Combi CX30C controller error codes
The Virta Combi runs on a Harvia Xenio Combi CX30C controller. Its error codes and their meaning are shown below:
Common issues & fixes
| Error message / symptom | Likely cause | Troubleshooting |
|---|---|---|
| Low water / steamer warning | The steam generator's water tank is empty or the level sensor is blocked. | Refill the water tank, check the fill hose and level sensor, and descale the tank if it has been used with hard water. |
| Temperature input error | The controller can't detect the temperature sensor. | Check the sensor cable is plugged into the main module, inspect the cable for damage, and replace the sensor if the wiring is intact. |
| Overheat protection | The safety limit has been exceeded (usually 130°C+). | Locate the temperature sensor near the ceiling, press the small reset button on the sensor housing, and check for adequate airflow. |
| Heater on / no heat | The heater is active but the stones are cold. | Check the circuit breaker for a tripped phase, and inspect the heating elements — if they don't glow red, they may be burnt out. |
| Black screen | The console has no power or data. | Check the data cable connecting the wall screen to the main relay box, then unplug main power, re-seat the cables and restart. |
Still stuck? Email info@calore.ca or call us and we'll help.