GB-16
D
GB
NL
RUS
PL
F
E
UA
CN
?
Error code
F.
and
2
flash alternately and the
light is red?
The fault could not be rectified. All start-up at-
tempts have been used and the burner control
unit goes into lock-out.
▷
Reset is only possible by pressing the RESET
button on the burner control unit or using the
remote reset if there is one.
•
Rectify the cause of the fault as described above
for warning
F.2
.
? Error code
F.
and
3
flash alternately?
The burner control unit detects a flame signal
during start-up or in fault status.
!
Incorrect flame signal due to leakage/creepage
current.
•
Check the wiring, see page 4 (Wiring).
•
Check the flame rod.
!
Incorrect flame signal through conductive ce-
ramic insulation, e.g. surge via PE wire, possible.
•
Remedy incorrect flame signal. Replace the flame
rod and, if necessary, also the complete burner
control unit and housing.
▷
Reset is only possible by pressing the RESET
button on the burner control unit or using the
remote reset if there is one.
? Error code
A.
and
4
flash alternately and the
light is red?
Burner fan continues to operate when the burner
control unit is in idle state.
!
Wiring fault.
•
Check whether the wiring from connector X21
to the burner fan has continuity.
!
A vacuum is generated in the chimney due to
strong wind and this affects the burner fan.
? Error code
A.
and
5
flash alternately?
The burner fan does not reach the required speed
when starting up.
!
The air supply is blocked.
•
Check the air supply.
!
The air supply is not OK.
•
Check the air supply and clean it if necessary,
see page 12 (Cleaning).
!
Fan motor defective.
•
Check the motor.
!
Wiring fault.
•
Check the wiring (connectors X21 and X12).
? Error code
A.
and
5
flash alternately and the
light is red?
The fault could not be rectified. All start-up at-
tempts have been used and the burner control
unit goes into lock-out.
▷
Reset is only possible by pressing the RESET
button on the burner control unit or using the
remote reset if there is one.
•
Rectify the cause of the fault as described above
for warning
A.5
.
•
Check the air supply and clean it if necessary.
? Error code
A.
and
6
flash alternately?
The burner fan does not reach the required speed
during operation.
!
The air supply is blocked.
•
Check the air supply route.
!
The air supply is not OK.
•
Check the air supply and clean it if necessary,
see page 12 (Cleaning).
!
Fan motor defective.
•
Check the motor.
!
Wiring fault.
•
Check the wiring (connectors X21 and X12).
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