Observation:
PLEASE SELECT APPROPRIATE FAULT CODE :
30 DEG FLASHING - CH THERMISTOR FAULT
40 DEG FLASHING - DHW THERMISTOR FAULT
50 DEG FLASHING - OUTDOOR SENSOR FAULT
60 DEG FLASHING - SYSTEM PRESSURE FAULT
70 DEG FLASHING - AIR PRESSURE SWITCH FAULT
80 DEG FLASHING - OVERHEAT THERMOSTAT FAULT
90 DEG FLASHING - FLAME OR GAS FAILURE FAULT
