MTU 20V4000GX2 Operating Instructions Manual page 58

Fault
code
073
074
075
076
077
078
079
080
081
082
083
089
090
091
092
58 | Troubleshooting | M015565/03E 2016-02
Alarm text Meaning
L1 P-EXTERN 1 Violation of first limit for exter-
nal pressure channel 1
L2 P-EXTERN 1 Violation of second limit for ex-
ternal pressure channel 1
L1 P-EXTERN 2 Violation of first limit for exter-
nal pressure channel 2
L2 P-EXTERN 2 Violation of second limit for ex-
ternal pressure channel 2
LIM EXT.COOLANT Alarm from external coolant
LEV. level monitoring
LIM INTERCOOLER Alarm from external charge-air
LEV. coolant level monitoring
L Bin-EXTERN 3 Alarm from external binary
channel 3
L Bin-EXTERN 4 Alarm from external binary
channel 4
RAIL LEAKAGE HP fuel system leaking, system
contains air
RAIL PRESSURE Pressure in HP fuel system ex-
HIGH ceeds specified value;
Solenoid valve of HP fuel con-
trol block jamming or wiring to
solenoid valve defective
RAIL PRESSURE Pressure in HP fuel system low-
LOW er than the specified value;
HP fuel control block defective
or system leaking
NOTE:
With very large generators hav-
ing a run-out time of more than
> 20 sec this alarm is not a rel-
evant fault.
ENGINE SPEED Engine speed lower than 200
LOW rpm;
automatic engine shutdown
IDLE SPEED LOW Idle speed not reached within a
specified period;
Termination of starting proce-
dure.
RUN UP SPEED Run-up speed not reached
LOW within a specified period;
Termination of starting proce-
dure.
START SPEED Starter speed not reached with-
LOW in a specified period;
Termination of starting proce-
dure.
Task
(Depending on the corresponding measur-
ing point, which is read via CAN bus)
(Depending on the corresponding measur-
ing point, which is read via CAN bus)
(Depending on the corresponding measur-
ing point, which is read via CAN bus)
(Depending on the corresponding measur-
ing point, which is read via CAN bus)
(Depending on the corresponding measur-
ing point, which is read via CAN bus)
(Depending on the corresponding measur-
ing point, which is read via CAN bus)
(Depending on the corresponding measur-
ing point, which is read via CAN bus)
(Depending on the corresponding measur-
ing point, which is read via CAN bus)
Contact Service.
Contact Service.
Contact Service.
Re-start the engine (→ Page 45);
Note further alarms.
Note further alarms.
Note further alarms.