Observation:
The initial setup of the temperature rotary controls is vital for a correct diagnosis, see below for the correct setup.
INITIAL SETUP AND DESCRIPTION OF KEYS INFORMATION PAGE
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1 - Domestic hot water temperature rotary control - set to MAX 65°C
2 - Heating water temperature rotary control - This MUST be set to OFF unless set appliance state says different.
3 - Sweep key and status / error signals
4 - Reset button and on / off signal
The instrument panel for the connection box has 2 push buttons with signals. The signals provide information about the operating conditions of the appliance. The reset button lights up green when the appliance is connected to the mains. The status / error button can flash in a range of colours and at different frequencies.
Note.
If the heating water temperature rotary control is not set to OFF (unless otherwise instructed) then misdiagnosis will occur
Note.
If the heating water temperature rotary control is not set to OFF (unless otherwise instructed) then misdiagnosis will occur