MTU 12 V 4000 M23F Operating Instructions Manual page 149

474 – AL Wiring FO
Wiring fault on FO
Yellow alarm; warning
Cause
Wire break or short circuit on
channel FO.
475 – AL CR Engine Shutdown Trigger
Crash recorder was triggered by an engine shutdown.
Yellow alarm; warning
Cause
Crash recorder was triggered by
an engine shutdown.
476 – AL Crash Rec. Init. Error
Initialization error of crash recorder.
Cause
Initialization error of crash
recorder.
478 – AL Comb. Alarm Yel (Plant)
Yellow combined alarm from system
Yellow alarm; warning
Cause
Various causes possible.
479 – AL Comb. Alarm Red (Plant)
Red combined alarm from system
Red alarm
Cause
Various causes possible.
ZKP-Number: 2.8006.655
Corrective action
1. Check wiring (→ Page 265).
2. Contact Service.
ZKP-Number: 1.8010.009
Corrective action
u Contact Service.
ZKP-Number: 1.8010.007
Corrective action
u Contact Service.
ZKP-Number: 2.8006.001
Corrective action
u Check for additional messages.
ZKP-Number: 2.8006.002
Corrective action
u Check for additional messages.
MS150068/01E 2014-01 | Troubleshooting | 149