Error Code	Possible fault
E10	Outdoor sensor error
E20	Central heating thermistor sensor fault
E28	Flue thermistor fault
E50	Domestic hot water sensor fault
E110	Boiler overheat tripped
E119	System pressure low (<0.5>)
E125	Primary water circulation fault
E130	Flue thermostat sensor tripped (lockout)
E131	Flue overheat lockout
E133	Ignition fault
E151	PCB error
E152	PCB error
E160	Fan fault
E161	Fan fault
E164	Domestic hot water sensor error (In the ROI this is a heating flow switch error)
E167	PCB fault
E168	PCB lock out
E193	Circulation

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