Observation:

CONTINUE TO FULL XSOL MODEL
Select from the list below if you are confident that the appliance has reached that point in its operational sequence correctly.
BOILER DOES NOT RESPOND TO DHW DEMAND
DHW DEMAND RECOGNISED BUT FAN NOT RUNNING
FAN OK BUT BURNER DOES NOT LIGHT AND NO SPARKING
SPARKING OK BUT BURNER DOES NOT LIGHT
SPARKING OK BURNER LIGHTS BUT DOES NOT ESTABLISH AND SPARKING CONTINUES
BURNERS LIGHTS AND ESTABLISHES BUT BAFFLES OUT
DHW OPERATION UNSATISFACTORY
CH OPERATION UNSATISFACTORY DHW OKAY
BOILER OPERATING WITH NO DEMAND