Ideal Status Codes
Display Code System Behaviour
0 The boiler is in standby mode awaiting either a central heating call or hot water demand
C The boiler has a call for central heating but the appliance has reached the desired temperature set on the boiler
D The boiler has a call for hot water but the appliance has reached the desired temperature set on the boiler
C The boiler is operating in central heating mode
d The boiler is operating in hot water mode
F The boiler is operating in frost mode
Ideal Fault Codes
Fault Code System Behaviour
C0 BCC Activation Fault
C2 BCC Fault
F1 Low Water Pressure
F2 Flame Loss
F3 Fan Fault
F4 Flow Thermistor
F5 Return Thermistor
F6 Outside Sensor Failure
F7 Low Mains Voltage
F9 Unconfigured PCB
L1 Flow Temperature Overheat or No Water Flow
L2 Flame Loss
L5 5 Boiler Resets in 15 minutes
L6 False Flame Lockout