MTU 12V4000G34F Operating Instructions Manual page 90

27 – HI Level Leakage Fuel
Cause
Switch F46 in the collection tank
has tripped. A leak has occurred
in the HP fuel system.
30 – SS Engine Overspeed
Cause
Engine speed has violated the
limit value or the engine
overspeed test has been tripped.
Engine emergency stop has been
tripped.
31 – HI ETC1 Overspeed
Cause
The speed of the LP turbocharger,
A side, 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.
33 – HI P-Diff-Fuel
Cause
The differential pressure at
sensors B34.1 and B34.2 has
violated limit value 1. The
differential pressure is too high.
34 – SS P-Diff-Fuel
Cause
The differential pressure at
sensors B34.1 and B34.2 has
violated limit value 2. The
differential pressure is too high.
90 | Troubleshooting | MS15060/01E 2018-12
Corrective action
u Contact Service.
Corrective action
1. If an emergency stop has been tripped by the engine overspeed
test, restart the engine.
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. Replace fuel filter (→ Page 152).
2. Contact Service.
Corrective action
1. Replace fuel filter (→ Page 152).
2. Contact Service.