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488 – HI ETC3 Overspeed
ZKP-Number: 23.014.931
Limit value 1
Cause
Corrective action
Speed of 2nd secondary
turbocharger too high
u
Reduce power.
489 – SS ETC3 Overspeed
ZKP-Number: 23.014.932
Limit value 2
Cause
Corrective action
Speed of 2nd secondary
turbocharger too high
u
Reduce power.
490 – HI ETC4 Overspeed
ZKP-Number: 23.015.931
Limit value 1
Cause
Corrective action
Speed of the third secondary
turbocharger too high
u
Reduce power.
491 – SS ETC4 Overspeed
ZKP-Number: 23.015.932
Limit value 2
Cause
Corrective action
Speed of the third secondary
turbocharger too high
u
Reduce power.
492 – AL ETC4 Cutin Failure
ZKP-Number: 18.004.202
Cause
Corrective action
ETC4 failed to cut in
u
Check control valve at turbocharger 4.
493 – AL ETC3 Cutin Failure
ZKP-Number: 18.004.203
Cause
Corrective action
ETC3 failed to cut in
u
Check control valve at turbocharger 3.
180 | Troubleshooting | MS150093/05E 2018-12
TIM-ID: 0000008506 - 006