MTU 12 V 4000 G73 Operating Instructions Manual page 49

068 – SS T-Coolant
Cause
Coolant temperature too high
(2nd limit value), automatic
engine shutdown.
081 – AL Rail Leakage
Cause
Pressure gradient in rail is too
low during starting or too high
during stopping; HP system
leaky, air in system.
082 – HI P-Fuel (Common Rail)
Cause
Rail pressure > set value;
reduction by speed-sensitive
speed limiter , start of injection
moved towards late; Suction
restrictor of HP fuel block
jamming or HP fuel control block
wiring faulty.
083 – LO P-Fuel (Common Rail)
Cause
Rail pressure < set value;
reduction by speed-sensitive
speed limiter; Suction restrictor
of HP fuel control block
defective or leakage in HP fuel
system.
085 – HI T-Umblasen
Preliminary warning
Cause
Recirculation temperature too
high.
ZKP-Number: 2.0120.932
Corrective action
1. Allow engine to cool down.
2. Check engine coolant cooler, clean if dirty.
3. Contact Service.
4. Restart engine (→ Page 31).
ZKP-Number: 1.8004.046
Corrective action
u Contact Service.
ZKP-Number: 2.0104.931
Corrective action
u Contact Service.
ZKP-Number: 2.0104.921
Corrective action
u Contact Service.
ZKP-Number: 2.0128.931
Corrective action
u Reduce power.
MS150029/02E 2013-03 | Troubleshooting | 49