Observation:
Unless stated otherwise in "Set appliance state" the following control settings are required to use this diagnostic model.
Set the CH temperature to MAX 82°C - Press + key (12) until 82 is displayed
Set the DHW temperature to MAX 60°C - Press + key (2) until 60 is displayed
Comfort turned OFF - Press button (5) until 'comfort' is no longer on the display.
Set the CH temperature to MAX 82°C - Press + key (12) until 82 is displayed
Set the DHW temperature to MAX 60°C - Press + key (2) until 60 is displayed
Comfort turned OFF - Press button (5) until 'comfort' is no longer on the display.
