479 – AL Red Summary Alarm (Plant)
ZKP-Number: 2.8006.002
Red summary alarm from 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.
488 – HI ETC3 Overspeed
ZKP-Number: 2.3014.931
Speed of 2nd secondary turbocharger too high (limit value 1)
Yellow alarm - warning
Cause
Corrective action
Obstructed charge-air circuit or
fault in turbocharger.
u
Reduce power.
489 – SS ETC3 Overspeed
ZKP-Number: 2.3014.932
Speed of 2nd secondary turbocharger too high (limit value 2)
Red alarm - engine shutdown
Cause
Corrective action
Obstructed charge-air circuit or
fault in turbocharger.
u
Reduce power.
490 – HI ETC4 Overspeed
ZKP-Number: 2.3015.931
Speed of the 3rd secondary turbocharger too high (limit value 1)
Yellow alarm - warning
Cause
Corrective action
Obstructed charge-air circuit or
fault in turbocharger.
u
Reduce power.
88 | Troubleshooting | MS150096/01E 2012-08
TIM-ID: 0000029153 - 006