MTU 12 V 4000 L63 Operating Instructions Manual page 124

472 – AL Stop SD
Red alarm. Engine shutdown.
Associated parameter 2.8006.593
Cause
Engine stop, since all shutdown
channels detect "sensor defect".
473 – AL Wiring PWM_CM2
Red alarm. Engine shutdown.
Associated parameter 1.8004.593
Cause
Cable break or short circuit on
channel PWM_CM2.
476 – AL Crash Rec.Init Fault
Red alarm.
Associated parameter 1.8010.007
Cause
Crash recorder initialization
error.
478 – AL Comb. Alarm Yel (Plant)
Yellow alarm.
Associated parameter 2.8006.001
Cause
Combined alarm YELLOW from
plant.
479 – AL Comb. Alarm Red (Plant)
Red alarm. Engine shutdown.
Associated parameter 2.8006.002
Cause
Combined alarm RED from
plant.
124 | Troubleshooting | MS150058/01E 2012-07
ZKP-Number:
Corrective action
u Combined alarm (for details, refer to the source alarm).
ZKP-Number:
Corrective action
u Check cabling to bypass throttle, replace bypass throttle if
necessary.
ZKP-Number:
Corrective action
u Contact Service.
ZKP-Number:
Corrective action
u Combined alarm (for details, refer to the source alarm).
ZKP-Number:
Corrective action
u Combined alarm (for details, refer to the source alarm).