MTU Gas engine8 V 4000 L62 Operating Instructions Manual page 170

552 – AL GasControlCheck Fault
Red alarm.
Associated parameter 2.1090.118
Cause
Gas train test was not
successful. Alarm is activated if
the gas train does not report OK
within a specified time-out
period. Either the gas train leak
test was not successful, the
time-out period is set too short,
or communication is faulty.
554 – AL Ignition Fault
Red alarm.
Associated parameter 2.1090.122
Cause
Ignition failure. Alarm is activated
if the feedback signal from
ignition system is not received
within a specified time-out
period. Either the ignition could
not be activated, the time-out
period is set too short, or
communication is faulty.
556 – AL GasValve Fault
Red alarm.
Associated parameter 2.1090.124
Cause
Gas supply solenoid valve faulty.
Either the gas supply solenoid
valves are faulty, the time-out
period is set too short, or
communication is faulty.
170 | Troubleshooting | MS150032/02E 2012-07
ZKP-Number:
Corrective action
1. Check gas train.
2. Check cabling.
ZKP-Number:
Corrective action
u Check ignition system and cabling.
ZKP-Number:
Corrective action
u Check gas train and cabling.