MTU 12 V 4000 G23 Technical Documentation Manual page 97

Troubleshooting
Fault
code No. Designation
454 SS Power Reduction
Active
455 AL Aux 1 Plant L1
456 AL Aux 1 Plant L2
460 AL Exhaust EMU High
461 AL Exhaust EMU Low
462 AL Coolant EMU L1
463
SD AUX 2
464 SD P-AUX 1
465 SD P-AUX 2
466
SD T-AUX 2
M015710/01E 07-02
Meaning
Alarm configuration; power
reduction is active.
Alarm configuration limit value
1; Input signal of Aux 1 (plant
side) has exceeded/not
attained limit value 1,
depending on configuration.
Alarm configuration limit value
2; Input signal of Aux 1 (plant
side) has exceeded/not
attained limit value 2,
depending on configuration.
Alarm configuration limit value;
EMU exhaust temperature
value too high.
Alarm configuration limit value;
EMU exhaust temperature
value too low.
Alarm configuration limit value;
EMU coolant temperature
value too high / low.
SD alarm configuration; Analog
input signal for Aux 2 faulty;
short circuit or wire break.
SD alarm configuration; Analog
input signal for Aux 1 pressure
faulty; short circuit or wire
break.
SD alarm configuration; Analog
input signal for Aux 2 pressure
faulty; short circuit or wire
break.
SD alarm configuration;
Analog input signal for Aux 2
temperature faulty; short circuit
or wire break.
Task
1. Note further
fault messages.
2. Determine and
rectify reason
for power
reduction.
Determine and rectify
reason for limit value
violation.
Determine and rectify
reason for limit value
violation.
1. Check cabling
2. Contact
Service.
1. Check cabling
2. Contact
Service.
Check configuration
with DiaSys.
Check signal
transmitter and
cabling, replace as
necessary.
Error cleared after
restarting the engine.
Check pressure
transmitter and
cabling, replace as
necessary.
Error cleared after
restarting the engine.
Check pressure
transmitter and
cabling, replace as
necessary.
Error cleared after
restarting the engine.
Check temperature
sensor and cabling,
replace as necessary.
Error cleared after
restarting the engine.
93
Related
parameter No.
2.7000.011
2.8006.650
2.8006.651
2.8006.652
2.8006.653
2.8006.654
1.8004.591
1.8004.589
1.8004.588
1.8004.586
© MTU