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27 – HI Level Leakage Fuel
Cause
Switch F46 in the collecting tank
has been tripped. The HP fuel
system is leaking.
30 – SS Engine Overspeed
Cause
Engine speed has violated the
limit value or the engine
overspeed test has been tripped.
An emergency engine shutdown
has been initiated.
31 – HI ETC1 Overspeed
Cause
The speed of the A side LP
turbocharger measured at sensor
B44.1 has violated limit value 1.
The exhaust turbocharger speed
is too high. Cause: Fault or
malfunction of another exhaust
turbocharger.
32 – SS ETC1 Overspeed
Cause
The speed of the A side LP
turbocharger at sensor B44.1 has
violated limit value 2. The exhaust
turbocharger speed is too high.
Cause: Fault or malfunction of
another exhaust turbocharger.
44 – LO Coolant Level Intercooler
Cause
Coolant level in LT circuit at
switch B557 is too low.
51 – HI T-Lube Oil
Cause
The lube oil temperature at sensor
B7 has violated limit value 1. The
lube oil temperature is too high.
Corrective action
u Contact Service.
Corrective action
1. Restart the engine if the emergency stop was tripped by the engine
overspeed test.
2. Contact Service if the emergency stop was tripped by the engine.
Corrective action
1. Reduce power.
2. Contact Service.
Corrective action
1. Reduce power.
2. Contact Service.
Corrective action
1. Check charge-air coolant level (→ Page 315).
2. Check relief bore of charge-air coolant pump (→ Page 323).
3. Check cooling circuit visually for leaks.
4. Contact Service.
Corrective action
1. Reduce power.
2. Check operation of cooler and fan (plant).
3. Check engine coolant level (→ Page 292).
4. Contact Service.
MS15038/01E 2018-11 | Troubleshooting | 199
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