NOT USED ANYMORE
Select from the list below if you are confident that the appliance has reached up to that point in the sequence correctly.

Observation:

BOILER DOES NOT RESPOND TO DHW DEMAND
BURNER DOES NOT IGNITE AND/OR ESTABLISH - FAN AND PUMP OK
DHW OPERATION UNSATISFACTORY
BOILER DOES NOT RESPOND TO CH DEMAND - DHW OK
CH OPERATION UNSATISFACTORY - DHW OK
RETURN TO TYPE OF DIAGNOSTIC PROCEDURE