Fault Code	Possible Cause
E110	Over heated – try bleeding your radiators
E119	Water pressure too low
E125	Overheat – try bleeding your radiators
E131	Overheat lock out – this may follow a power cut, try resetting
E133	Gas supply fault
E168	PCB lock out – may follow power supply problem; try resetting
110	Over heated – try bleeding your radiators
E20	Central Heating Thermistor Sensor Fault
E28	Flue Thermistor Fault
E160	Fan Fault
E161	Fan Fault
E164	Heating Flow Switch Error (Ireland) Pressure Sensor Error (UK)
E167	PCB Fault
E193	Circulation fault

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