Temperature out of range
When the room temperature is out of range, i.e. above 50 °C or below 0 °C, the temperature displays and flashes at “0 °C” or “50 °C”. The thermostat continues to work.
Sensor error
When the internal sensor is not working properly, is displayed. The thermostat enters Protection mode.
When P30 is set to 1 but the external sensor is broken or not connected, is displayed, and the thermostat continues to work on the internal sensor.
Note: See D00 for error information, but in the case of multiple errors, only the error type of the highest priority is displayed.