8
-ERROR CODES AND DESCRIPTION
Error
Code
Error Type
Possible Cause
Troubleshooting
E01
Ignition Fault
No gas connection for combi boiler.
installation.
E02
False Flame Signal
It is triggered if flame is detected in the
burner while gas valve is closed.
E03
Over Temperature
Warning
It will occur if the temperature of
return and supply water exceeds 90 C.
Failure to receive
feedback from the fan for
more than 1 minute
E05
Failure of fan or fan cable
E08
Ignition circuit failure
The electronic card may be failed.
E09
Valve provides no
feedback
The gas valve may be failed.
E12
EEPROM check fail
The electronic card may be failed.
1- Check that the gas valve is
open.
2- Check if there is gas in
3- Press reset button.
4- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Check that water valves of
boiler installation are open.
2- If the combi boiler triggers
this error in winter mode,
check that at least 1 radiator is
open.
3- Press reset button.
4- If the error is still present (or
persists) after reset, notify gas
safe engineer..
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
1- Replace electronic card.
2- Check cables of ignition
electrode.
3- Check ignition electrode.
1- Press reset button.
2- If the error is still present
(or persists) after reset,notify
gas safe engineer.
1- Press reset button.
2- If the error is still present (or
persists) after reset, notify gas
safe engineer.
15
