Error message

TNC temperature warning %dC

Cause of error

The temperature sensor in the control (MC) has detected an excessively high temperature inside the control housing. If the temperature continues to increase, the control hardware may be damaged.
- Contaminated filter pads
- Defective climate control unit in the electrical cabinet
- Defective fan in the control housing
- Defective temperature sensor

Error correction

- Check the heat transfer in the electrical cabinet
- Check the fan in the control
- Clean the filter pads
- Repair the climate control unit in the electrical cabinet
- Replace the fan
- Exchange the control
- Inform your service agency