MTU 12V2000Gx6 series Operating Instructions Manual page 84

82 – HI P-Fuel (Common Rail)
Yellow alarm; warning
Cause
Rail pressure > Set value => HP
fuel control block jamming or
wiring faulty.
83 – LO P-Fuel (Common Rail)
Yellow alarm; warning
Cause
Rail pressure < set value; Suction
restrictor of HP fuel control block
faulty or leakage in HP fuel
system.
89 – SS Engine Speed too Low
Yellow alarm; warning
Cause
Engine speed too low.
90 – SS Idle Speed Not Reached
Yellow alarm; warning
Cause
Idling speed not reached, start
aborted.
91 – SS Release Speed Not Reached
Yellow alarm; warning
Cause
Run-up speed not reached, start
aborted.
92 – SS Starter Speed Mot Reached
Yellow alarm; warning
Cause
Starter speed not reached;
termination of starting sequence;
starter does not turn or turns
slowly.
84 | Troubleshooting | MS15054/03E 2018-07
Corrective action
1. Check wiring of HP fuel control block.
2. Contact Service if no fault can be detected.
Corrective action
1. Check wiring of HP fuel control block.
2. Check high-pressure system for leaks.
3. Contact Service if no fault can be detected.
Corrective action
1. Restart engine (→ Page 67).
2. Observe any other messages.
Corrective action
1. Restart engine (→ Page 67).
2. Observe any other messages.
Corrective action
1. Restart engine (→ Page 67).
2. Observe any other messages.
Corrective action
1. Check battery.
2. Check wiring and voltage supply.
3. Check fuel supply.
4. Restart engine (→ Page 67).
5. Observe any other messages.