MTU 12 V 4000 G73 Operating Instructions Manual page 80

456 – AL Aux 1 Plant L2
Cause
Alarm configuration limit value
2; Input signal of Aux 1 (plant
side) has exceeded/not attained
limit value 2, depending on
configuration.
460 – HI T-Exhaust EMU
Cause
Alarm configuration limit value;
EMU exhaust gas temperature
value too high.
461 – LO T-Exhaust EMU
Cause
Alarm configuration limit value;
EMU exhaust gas temperature
value too low.
462 – AL L1 T-Coolant EMU
Cause
Alarm configuration limit value;
EMU coolant temperature value
too high / low.
463 – SD AUX 2
Cause
SD alarm configuration; analog
input signal for Aux 2 defective;
Short circuit or wire break.
80 | Troubleshooting | MS150029/02E 2013-03
ZKP-Number: 2.8006.651
Corrective action
u Determine cause of limit value violation and rectify fault.
ZKP-Number: 2.8006.652
Corrective action
1. Check cabling.
2. Contact Service.
ZKP-Number: 2.8006.653
Corrective action
1. Check cabling.
2. Contact Service.
ZKP-Number: 2.8006.654
Corrective action
u Check configuration with DiaSys.
ZKP-Number: 1.8004.591
Corrective action
u Check signal transmitter and cabling, replace as necessary.
Error cleared after restarting the engine.