MTU 12V4000C*5 series, Operating Instructions Manual

Page: 84 / 305

10 – SS T-Coolant Intercooler
Cause Corrective action
The intercooler coolant
temperature measured at sensor
B26 has violated limit value 2.
Coolant temperature in
intercooler is too high. 1. Reduce power.
2. Check whether alarm 23 is pending.
3. Check cooler (plant side) for contamination.
4. Check operation of fan (plant side).
5. Contact Service.
15 – LO P-Lube Oil
Cause Corrective action
The lube oil pressure at sensor
B5.1 has violated lower limit value
1. The lube oil pressure is too low. 1. Check engine oil level (→ Page 202).
2. Contact Service.
16 – SS P-Lube Oil
Cause Corrective action
The lube oil pressure at sensor
B5.1 has violated lower limit value
2. The lube oil pressure is too low. 1. Check engine oil level (→ Page 202).
2. Contact Service.
19 – HI T-Exhaust A
Cause Corrective action
The exhaust temperature at
sensor B4.40 has violated limit
value 1. Exhaust gas temperature
is too high.
u
Run injector test according to DiaSys description. Contact Service
if no DiaSys is available.
20 – SS T-Exhaust A
Cause Corrective action
The exhaust temperature at
sensor B4.40 has violated limit
value 2. Exhaust gas temperature
is too high.
u
Run injector test according to DiaSys description. Contact Service
if no DiaSys is available.
23 – LO Coolant Level
Cause Corrective action
Coolant level at level switch F33
in HT circuit is too low. 1. Check engine coolant level (→ Page 216).
2. Check relief bore of engine coolant pump (→ Page 224).
3. Visually check coolant circuit for leaks.
4. Contact Service.
82 | Troubleshooting | MS15041/03E 2018-08
TIM-ID: 0000065298 - 004