MTU 20V4000L32FNER Operating Instructions Manual page 135

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229 – AL Stop Camshaft Sensor Defect
Red alarm. Engine shutdown.
Associated parameter 1.8004.562
Cause
Engine stop due to camshaft
sensor failure.
231 – SD Camshaft Speed
Red alarm. Engine shutdown.
Associated parameter 1.8004.499
Cause
Camshaft sensor faulty, short
circuit or wire break.
232 – SD Charger 1 Speed
Red alarm.
Associated parameter 1.3011.128
Cause
Speed sensor of turbocharger 1
faulty, short circuit or wire break.
233 – SD Charger 2 Speed
Red alarm.
Associated parameter 1.3011.129
Cause
Speed sensor of turbocharger 2
faulty, short circuit or wire break.
245 – SD ECU Supply Voltage
Red alarm.
Associated parameter 2.8006.589
Cause
Internal engine governor fault.
Corrective action
u Check sensor and cabling (B1.1), replace as necessary
(→ Page 204) (→ Page 203). Error cleared after restarting the
engine.
Corrective action
u Check sensor and cabling (B1.1), replace as necessary
(→ Page 204) (→ Page 203). Error cleared after restarting the
engine.
Corrective action
1. Check sensor and cabling (B44.1), replace as necessary
(→ Page 204) (→ Page 203). Error cleared after restarting the
engine.
2. If the sensor is not obstructed, check the conditions for activating
this monitoring feature in the ECU parameter record.
Corrective action
1. Check sensor and cabling (B44.2), replace as necessary
(→ Page 204) (→ Page 203). Error cleared after restarting the
engine.
2. If the sensor is not obstructed, check the conditions for activating
this monitoring feature in the ECU parameter record.
Corrective action
u Replace engine governor ECU.
MS150122/02E 2017-09 | Troubleshooting | 135

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