Potterton Promax Combi Boiler System and Store Error Codes

Potterton Promax Combi Boiler System and Store Error Codes

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