Error message

TNC temperature too high %dC

Cause of error

The temperature sensor in the control has detected an excessively high temperature inside the control housing.
- Insufficient heat transfer in the electrical cabinet
- Contaminated filter pads
- Defective climate control unit in the electrical cabinet
- Defective fan in the control housing
- Defective temperature sensor
- Unfavorable mounting of components

Error correction

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