MTU 20 V 4000 G23, Technical Publication

Page: 80 / 178

Troubleshooting 75
Fault
code No. Designation Meaning Task
Related
parameter No.
064 SS P-Crankcase Main warning: Crankcase
pressure too high; Engine
stop.
1. Replace oil
separator
element
(
→ Page 99).
2. Contact
Service.
2.0106.932
065 LO P-Fuel Preliminary warning: Coolant
fuel supply pressure too low. 1. Check fuel lines
for leaks.
2. Clean fuel
prefilter
( → Page 113).
3. Flush fuel
prefilter
(
→ Page 117).
4. Replace filter
element of
fuel prefilter
(
→ Page 119).
5. Replace
fuel filter
( → Page 112).
2.0102.921
066 SS P-Fuel Main warning: fuel supply
pressure too low; Engine stop.
1. Check fuel lines
for leaks.
2. Clean fuel
prefilter
(
→ Page 113).
3. Fuel prefilter
- Flushing
( → Page 117).
4. Replace filter
element of
fuel prefilter
( → Page 119).
5. Replace
fuel filter
(
→ Page 112).
2.0102.922
067 HI T-Coolant Preliminary warning: Coolant
temperature too high. Reduce power. 2.0120.931
068
SS T-Coolant Alarm configuration limit value
2; Main warning: Coolant
temperature too high; Engine
stop.
1. Allow engine to
cool down;
2. Check coolant
cooler, clean if
necessary.
3. Restart engine
( → Page 49).
4. Contact
Service.
2.0120.932
081 AL Rail Leakage Pressure gradient in rail is too
low during starting or too high
during stopping; HP system
leaky, air in system). Contact Service.
1.8004.046
M015715/00E 06-08 © MTU