535 – LOLO Power Difference
Red alarm. Engine shutdown.
Associated parameter 2.1005.921
Cause
Corrective action
Set and actual power deviate
excessively from each other.
1. Check converter.
2. Check fuel settings.
3. Check emissions (→ Page 47).
536 – AL Wiring PWM_CM1
Red alarm.
Associated parameter 1.1041.921
Cause
Corrective action
Wire break or short circuit on
channel PWM_CM1.
u
Check ignition cabling.
552 – AL GasControlCheck Fault
Red alarm.
Associated parameter 2.1090.118
Cause
Corrective action
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.
1. Check gas train.
2. Check cabling (→ Page 202).
554 – AL Ignition Fault
Red alarm.
Associated parameter 2.1090.122
Cause
Corrective action
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.
1. Check ignition system.
2. Check ignition system speed sensors (→ Page 203).
3. Check cabling (→ Page 202).
144 | Troubleshooting | MS150104/03E 2017-09
TIM-ID: 0000038612 - 003
