MTU 12V4000Bx4 Operating Instructions Manual page 202

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52 – SS T-Lube Oil
Cause
The lube oil temperature at sensor
B7 has exceeded limit value 2.
The lube oil temperature is too
high.
59 – SS T-Coolant L3
Cause
The coolant temperature at
sensor B6 has violated limit value
3. The coolant temperature is too
high.
60 – SS T-Coolant L4
Cause
The coolant temperature at
sensor B6 has violated upper limit
value 4. The coolant temperature
is too high.
63 – HI P-Crank Case
Cause
The crankcase pressure at sensor
B50 has violated limit value 1. The
crankcase pressure is too high.
64 – SS P-Crank Case
Cause
The crankcase pressure at sensor
B50 has violated limit value 2. The
crankcase pressure is too high.
65 – LO P-Fuel
Cause
The fuel pressure at sensor B34.1
has violated limit value 1. Fuel
pressure is too low.
66 – SS P-Fuel
Cause
The fuel pressure at sensor B34.1
has undershot limit value 2. Fuel
pressure is too low.
200 | Troubleshooting | MS15038/01E 2018-11
Corrective action
1. Check operation of cooler and fan (plant).
2. Check engine coolant level (→ Page 292).
3. Contact Service.
Corrective action
1. Check operation of cooler and fan (plant).
2. Check engine coolant level (→ Page 292).
3. Contact Service.
Corrective action
1. Check operation of cooler and fan (plant).
2. Check engine coolant level (→ Page 292).
3. Contact Service.
Corrective action
1. Stop engine.
2. Contact Service.
Corrective action
1. Stop engine.
2. Contact Service.
Corrective action
1. Replace fuel prefilter (→ Page 269) (→ Page 271).
2. Replace fuel filter (→ Page 261).
3. Contact Service.
Corrective action
1. Replace fuel prefilter (→ Page 269) (→ Page 271).
2. Replace fuel filter (→ Page 261).
3. Contact Service.

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