User Manual

228
FAULTS AND REMEDIAL ACTIONS
4. Flame starting system faults
The flame starting system control unit detects faults in the flame starting system, and indicates these
with flash codes on the preheating indicator lamp.
The flashing duration is about 60 secs.
Fig.5
The following faults are detected:
Fault code A:
● Break in the flame glow plug element loop or its supply line.
Fault code B:
● Faulty fuse for the flame start control unit or no supply voltage (B+).
Fault code C:
● Break in the solenoid valve line or coil.
In all cases, only the indicator lamp flashes. Solenoid valve and flame heater plug remain switched off.