522 – SD P-Intake Air after Filter B
Yellow alarm.
Associated parameter 1.0187.900
Cause
Corrective action
Intake air pressure sensor after
filter on B side faulty, short circuit
or wire break.
u
Check sensor and wiring (B81.2), replace as necessary (→ Page 33)
(→ Page 227). Error cleared after restarting the engine.
534 – HIHI Power Difference
Red alarm. Engine shutdown.
Associated parameter 2.1005.931
Cause
Corrective action
Set and actual power deviate
excessively from each other.
1. Check converter.
2. Check fuel settings.
3. Check emissions (→ Page 57).
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 57).
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 227).
154 | Troubleshooting | MS150116/04E 2018-04
TIM-ID: 0000038612 - 004