GB-14
D
GB
F
NL
I
E
•
Check the cable connection, cable and plug for
damage or moisture. The plug must be fitted
correctly.
•
Check the yellow and green burner ground cable
for corrosion and to ensure it is firmly connected.
•
The ionization electrode is defective and must
be replaced.
!
Air in the gas pipe.
•
Vent the gas pipe.
!
Valves do not open.
•
Disconnect the valve plug on the gas combina-
tion control and measure the voltage at the valve
plug during the safety time.
•
If the voltage is not adequate, first check fuse F2
(4 A). If the display and the LEDs are not lit, it is
defective.
•
If the voltage is not adequate, replace the gas
combination control and return it to the supplier.
?
Fault code
F.
and
1
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.1
.
? Fault code
F.
and
2
flash alternately?
The flame has gone out during operation. If a
restart has been programmed, an automatic
restart will be completed.
!
Poor flame signal due to incorrect burner adjust-
ment.
•
Readjust the CO
2
value, see page 9 (Adjust-
!
Poor flame signal due to dirty or badly connected
ionization electrode.
•
Check the ionization electrode and clean it with
fine abrasive paper if necessary.
•
Check the cable connection, cable and plug for
damage or moisture. The plug must be fitted
correctly.
•
Check the yellow and green burner ground cable
for corrosion and to ensure it is firmly connected.
•
The ionization electrode is defective and must
be replaced.
?
Fault 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
.
? Fault 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 ionization electrode.
!
Incorrect flame signal through conductive ce-
ramic insulation, e.g. surge via PE wire, possible.
•
Remedy incorrect flame signal. Replace the
ionization electrode 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.
? Fault code
A.
and
3
flash alternately and the
light is red?
The fault could not be rectified after four auto-
matic start-up attempts. All start-up attempts
have been used and the burner control unit goes
into lock-out.
!
This air filter is not OK.
•
Check the air filter and clean it if necessary, see
▷
Reset is only possible by pressing the RESET
button on the burner control unit or using the
remote reset if there is one.
