472 – AL Stop SD
ZKP-Number: 2.8006.593
Engine stops
Red alarm – engine shutdown
Cause
Corrective action
Engine stop, since all shutdown
channels detect "sensor defect".
1. Check wiring (→ Page 189).
2. Contact Service.
474 – AL Wiring FO
ZKP-Number: 2.8006.655
Wiring fault at FO
Yellow alarm – warning
Cause
Corrective action
Line break or short circuit at FO
channel.
1. Check wiring (→ Page 189).
2. Contact Service.
478 – AL Comb. Alarm Yel (Plant)
ZKP-Number: 2.8006.001
Combined yellow alarm from the system
Yellow alarm – warning
Cause
Corrective action
Various causes possible.
u
Observe additional messages.
479 – AL Comb. Alarm Red (Plant)
ZKP-Number: 2.8006.002
Combined red alarm from the system
Red alarm
Cause
Corrective action
Various causes possible.
u
Observe additional messages.
480 – AL Ext. Engine Protection
ZKP-Number: 2.0291.921
External engine protection function active
Yellow alarm – warning
Cause
Corrective action
The external engine protection
function is active
Monitoring of plant signal by
governor active (plant side).
1. Check plant signal.
2. Contact Service.
MS150112/01E 2014-10
| Troubleshooting | 77
TIM-ID: 0000029153 - 005
