MTU 8V4000Lx4 Operating Instructions Manual page 114

031 – HI ETC1 Overspeed
Yellow alarm.
Associated parameter 2.3011.931
Cause
Speed of primary turbocharger
too high (limit value 1).
032 – SS ETC1 Overspeed
Red alarm. Engine stop.
Associated parameter 2.3012.932
Cause
Speed of primary turbocharger
too high (limit value 2).
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 stop.
Associated parameter 2.3013.912
Cause
Speed of 1st secondary
turbocharger too high (limit
value 2).
114 | Troubleshooting | MS15026/00E 2015-05
Corrective action
1. Check settings for this input in the ECU if no turbocharger
speed sensor is installed.
2. Check ignition timing and emission if a turbocharger speed
sensor is installed.
Corrective action
1. Check settings for this input in the ECU if no turbocharger
speed sensor is installed.
2. Check ignition timing and emission if a turbocharger speed
sensor is installed.
Corrective action
1. Check settings for this input in the ECU if no turbocharger
speed sensor is installed.
2. Check ignition timing and emission if a turbocharger speed
sensor is installed.
Corrective action
1. Check settings for this input in the ECU if no turbocharger
speed sensor is installed.
2. Check ignition timing and emission if a turbocharger speed
sensor is installed.