Fault Code	Possible Cause
E0	Temperature sensor fault
E1	Over heated – try bleeding your radiators
E2	Poor Circulation – try bleeding your radiators
E3	PCB fault
E4	Poor circulation – ensure gas supply is turned on, if meter is a prepayment type ensure there is credit
E7	Ignition failure – try bleeding your radiators
E10	Poor/No circulation
E12	PCB Fault
E13	Heat exchanger thermal fuse tripped
E83 / 84 / 85 / 86 / 87	Fan fault normally E8

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