7.2 Engine Control Unit – ECU9 fault messages
Possible engine responses to yellow alarm:
Warning, power limitation/reduction, speed limitation, engine shutdown.
Possible engine responses to red alarm:
Engine shutdown, power limitation/reduction, speed limitation, warning.
Procedure following an automatic safety shutdown (→ Page 68)
5 – HI T-Charge Air
Yellow alarm; warning
Cause Corrective action
Charge-air temperature too high
(Level 1).
1. Check coolant cooler and intercooler.
2. Contact Service if no malfunction can be detected.
6 – SS T-Charge Air
Red alarm; emergency stop
Cause Corrective action
Charge-air temperature too high
(Level 2).
1. Check coolant cooler and intercooler.
2. Contact Service if no malfunction can be detected.
9 – HI T-Coolant Intercooler
Yellow alarm; warning
Cause Corrective action
Coolant temperature in
intercooler too high (Level 1).
1. Check coolant cooler for leaks, contamination and operation.
2. Contact Service if no malfunction can be detected.
10 – SS T-Coolant Intercooler
Red alarm; emergency stop
Cause Corrective action
Coolant temperature in
intercooler too high (Level 2).
1. Check coolant cooler for leaks, contamination and operation.
2. Contact Service if no malfunction can be detected.
15 – LO P-Lube Oil
Yellow alarm; warning
Cause Corrective action
Lube oil pressure too low (Level
1).
1. Check oil level, top up as necessary (→ Page 166).
2. Contact Service if no malfunction can be detected.
80 | Troubleshooting | MS15054/03E 2018-07
TIM-ID: 0000060724 - 005
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