MTU M015710/04E Operating Instructions Manual page 109

486 – HI T-Exhaust D
Limit value 1
Cause
Exhaust gas temperature (D-
side) too high.
487 – SS T-Exhaust D
Limit value 2
Cause
Exhaust gas temperature (D-
side) too high.
488 – HI ETC3 Overspeed
Limit value 1
Cause
Speed of second secondary
turbocharger too high.
489 – SS ETC3 Overspeed
Limit value 2
Cause
Speed of second secondary
turbocharger too high.
490 – HI ETC4 Overspeed
Limit value 1
Cause
Speed of the 3rd secondary
turbocharger too high.
491 – SS ETC4 Overspeed
Limit value 2
Cause
Speed of the 3rd secondary
turbocharger too high.
124 | Troubleshooting | M015710/04E 2012-09
ZKP-Number: 20.134.931
Corrective action
1. Reduce power.
2. Contact Service.
ZKP-Number: 20.134.932
Corrective action
1. Reduce power.
2. Contact Service.
ZKP-Number: 23.014.931
Corrective action
u Reduce power.
ZKP-Number: 23.014.932
Corrective action
u Reduce power.
ZKP-Number: 23.015.931
Corrective action
u Reduce power.
ZKP-Number: 23.015.932
Corrective action
u Reduce power.