MTU 16V4000L32FNER Operating Instructions Manual page 144

535 – LOLO Power Difference
Red alarm. Engine shutdown.
Associated parameter 2.1005.921
Cause
Set and actual power deviate
excessively from each other.
536 – AL Wiring PWM_CM1
Red alarm.
Associated parameter 1.1041.921
Cause
Wire break or short circuit on
channel PWM_CM1.
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 timeout period is
set too short, or communication is
faulty.
144 | Troubleshooting | MS150121/02E 2017-09
Corrective action
1. Check converter.
2. Check fuel settings.
3. Check emissions (→ Page 47).
Corrective action
u Check ignition cabling.
Corrective action
1. Check gas train.
2. Check cabling (→ Page 202).
Corrective action
1. Check ignition system.
2. Check ignition system speed sensors (→ Page 203).
3. Check cabling (→ Page 202).