MTU 8V4000Lx4 Operating Instructions Manual page 94

1.4520.645 – MIC5 ISE Secon Short Circuit Cyl 16
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 16 in firing order.
1.4520.646 – MIC5 ISE Secon Short Circuit Cyl 17
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 17 in firing order.
1.4520.647 – MIC5 ISE Secon Short Circuit Cyl 18
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 18 in firing order.
1.4520.648 – MIC5 ISE Secon Short Circuit Cyl 19
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 19 in firing order.
1.4520.649 – MIC5 ISE Secon Short Circuit Cyl 20
Yellow alarm. Initiated by MIC5.
Cause
Short circuit in secondary circuit
of cylinder 20 in firing order.
1.4520.658 – MIC5 E2 Tr2 synchronization fault
Yellow alarm. Initiated by MIC5.
Cause
Synchronization not possible on
signal from trigger 2 (B75).
1.4520.659 – MIC5 E2 Tr2 operational error
Red alarm. Initiated by MIC5.
Cause
Trigger 2 (B75) has triggered
operational error.
94 | Troubleshooting | MS15026/00E 2015-05
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
1. Check ignition line, spark plug connector and spark plug.
2. Check ignition coil.
Corrective action
u Check sensor, sensor clearance, cabling, settings in data record
and timing wheel. Replace sensor if required.
Corrective action
u Check sensor, sensor clearance, cabling, settings in data record
and timing wheel. Replace sensor if required.