MTU 12 V 4000 M33F Operating Instructions Manual page 149

461 – LO T-Exhaust EMU
Limit value 1
Cause
EMU exhaust gas temperature
value too low.
462 – HI T-Coolant EMU
Limit value 1
Cause
EMU coolant temperature value
too high / low.
464 – SD P-AUX 1
Cause
Analog input signal for Aux 1
pressure faulty; short circuit or
wire break.
467 – AL L2 T-Aux 1
Limit value 2
Cause
Temperature signal of Aux 1 has
exceeded / not attained limit
value 2, depending on
configuration.
468 – SD T-AUX 1
Signal error, temperature Aux 1
Yellow alarm; warning
Cause
Analog input for Aux 2
temperature faulty.
ZKP-Number: 2.8006.653
Corrective action
1. Check wiring.
2. Contact Service.
ZKP-Number: 2.8006.654
Corrective action
u Check configuration with DiaSys.
ZKP-Number: 1.8004.589
Corrective action
u Check pressure transmitter and wiring, replace as necessary.
Fault is rectified following engine restart.
ZKP-Number: 2.0130.922
Corrective action
u Determine cause of limit value violation and rectify fault.
ZKP-Number: 1.8004.579
Corrective action
u -
MS150069/02E 2014-03 | Troubleshooting | 149