MTU Gas engine8 V 4000 L62 Operating Instructions Manual page 146

036 – HI ETC2 Overspeed
Yellow alarm.
Associated parameter 2.3013.931
Cause
Speed of 1st secondary
turbocharger too high (limit value
1).
037 – SS ETC2 Overspeed
Red alarm. Engine shutdown.
Associated parameter 2.3013.912
Cause
Speed of 1st secondary
turbocharger too high (limit value
2).
051 – HI T-Lube Oil
Yellow alarm.
Associated parameter 2.0125.931
Cause
Engine oil temperature after oil
heat exchanger too high (limit
value 1). Oil heat exchanger
clogged, coolant temperature too
high, oil flow too low.
052 – SS T-Lube Oil
Red alarm. Engine shutdown.
Associated parameter 2.0125.932
Cause
Engine oil temperature after oil
heat exchanger too high (limit
value 2). Oil heat exchanger
clogged, coolant temperature too
high, oil flow too low.
146 | Troubleshooting | MS150032/02E 2012-07
ZKP-Number:
Corrective action
u Turbocharger speed sensor is not fitted at present. Check ECU
setting for this input.
ZKP-Number:
Corrective action
u Turbocharger speed sensor is not fitted at present. Check ECU
setting for this input.
ZKP-Number:
Corrective action
1. Check engine coolant circuit.
2. Check oil heat exchanger.
3. Check oil level (→ Page 70).
ZKP-Number:
Corrective action
1. Check engine coolant circuit.
2. Check oil heat exchanger.
3. Check oil level (→ Page 70).