25
FAULT CODES 1x
Fault codes 1x appear when the burner has failed to ignite or the
flame supervisione system has failed to detect a flame.
●
Check incoming gas supply
●
Check spark electrode
●
Check polarity
●
Check integrity of flue system
●
Check gas valve
●
Check ignition control PCB
FAULT CODES 2x
●
Check wirings
FAULT CODES 3x
Fault codes 3x appear if the boiler or flue system has developed
a fault.
●
Check operation of fan
●
Check flue system
FAULT CODES 6x
Fault codes 6x appear if a problem exists with the secondary
(DHW) thermistor.
●
Check thermistor
●
Check wiring continuity
FAULT CODES 5x
Fault codes 5x appear if a problem with the main board exists.
●
Check parameters
●
Check gas valve
●
Check PCB
FAULT CODE 7x
Fault codes 7x appear if a problem exists with the flow temperature
(2
nd
CH)
.
●
Check thermistor
●
Check wiring continuity
FAULT CODE 8x
PCB fault
FAULT CODE 9x
Fault codes 9x appear if the condense trap/pipe has become
blocked.
●
Ensure the condense trap is clear
●
Ensure the condense pipe is clear
FAULT CODES 4x
Fault codes 4x appear if the pressure in the boiler is low.
●
Check water pressure
●
Check water pressure sensor