MTU 12 V 4000 Lx4 Operating Instructions Manual page 81

1.4520.560 – MIC5 E1 Tr1 index too early / faulty
Yellow alarm. Initiated by MIC5.
Cause
The index mark of trigger 1
(B1.2) was detected too early or
was faulty.
1.4520.561 – MIC5 E1 Tr1 index too late / missing
Yellow alarm. Initiated by MIC5.
Cause
The index mark of trigger 1
(B1.2) was detected too late or
was missing.
1.4520.570 – MIC5 IPE Primary Open Cylinder 1
Yellow alarm. Initiated by MIC5.
Cause
Disruption in primary circuit of
cylinder 1 in firing order.
1.4520.571 – MIC5 IPE Primary Open Cylinder 2
Yellow alarm. Initiated by MIC5.
Cause
Disruption in primary circuit of
cylinder 2 in firing order.
1.4520.572 – MIC5 IPE Primary Open Cylinder 3
Yellow alarm. Initiated by MIC5.
Cause
Disruption in primary circuit of
cylinder 3 in firing order.
1.4520.573 – MIC5 IPE Primary Open Cylinder 4
Yellow alarm. Initiated by MIC5.
Cause
Disruption in primary circuit of
cylinder 4 in firing order.
1.4520.574 – MIC5 IPE Primary Open Cylinder 5
Yellow alarm. Initiated by MIC5.
Cause
Disruption in primary circuit of
cylinder 5 in firing order.
Corrective action
u Check sensor, sensor spacing, cabling, settings in data record
and timing wheel. Replace sensor if required.
Corrective action
u Check sensor, sensor spacing, cabling, settings in data record
and timing wheel. Replace sensor if required.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coil.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coil.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coil.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coil.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coil.
MS15027/00E 2013-10 | Troubleshooting | 81