470 – SD T-ECU
Cause
Corrective action
The signal from the temperature
sensor in the ECU is faulty or
missing
u
Contact Service.
472 – AL Stop SD
Cause
Corrective action
This fault is signaled in case of a
faulty sensor which is defined for
engine stop.
u
Contact Service.
478 – AL Combined Alarm Yellow (System)
Cause
Corrective action
The alarm is raised when a plant
device signals the ECU to set a
combined yellow alarm.
1. Observe any other messages.
2. Contact Service.
479 – AL Combined Alarm Red (System)
Cause
Corrective action
The alarm is raised when a plant
device signals the ECU to set a
combined red alarm.
1. Observe any other messages.
2. Contact Service.
480 – AL Ext. Engine Protection
Cause
Corrective action
External engine protection
function is active.
1. Check plant signal.
2. Contact Service.
488 – HI ETC3 Overspeed
Cause
Corrective action
The speed of the LP turbocharger
on the A side measured at sensor
B44.3 has violated limit value 1.
The turbocharger speed is too
high. Cause: Fault or malfunction
of another turbocharger.
1. Reduce power.
2. Contact Service.
489 – HI ETC3 Overspeed
Cause
Corrective action
The speed of the LP turbocharger
on the A side measured at sensor
B44.3 has violated limit value 2.
The turbocharger speed is too
high. Cause: Fault or malfunction
of another turbocharger.
1. Reduce power.
2. Contact Service.
78 | Troubleshooting | MS150100/06E 2017-08
TIM-ID: 0000064702 - 003
