@Wayne-TP Hi! I have already done both recommendations: - swap batteries between the affected unit and a fully operational one, the batteries are not the problem - reset the unit to factory defaults...

@Wayne-TP Hi Wayne, off course I used the correct batteries (see Picture) brand new ones, and it doesn't work either. Best Regards Franz Xaver

Hi, I have one KE100 Unit, that after a battery replacement, does not shown the room tempature properly. It shows -30 °C, so the Unit is fully-open and the heating is 100% working. Although the room...