MTU MS15027/02E Operating Instuctions page 94

1.4520.660 – MIC5 E2 Tr2 no signal detected
Yellow alarm. Initiated by MIC5.
Cause
No signal from trigger 2 (B75).
1.4520.661 – MIC5 E2 Tr2 polarity detection fail
Yellow alarm. Initiated by MIC5.
Cause
Polarity of trigger 2 (B75) could
not be detected.
1.4520.662 – MIC5 E2 Tr2 wrong polarity
Yellow alarm. Initiated by MIC5.
Cause
Trigger 2 (B75) has wrong
polarity.
1.4520.663 – MIC5 E2 Tr2 no index mark detected
Yellow alarm. Initiated by MIC5.
Cause
Index mark of trigger 2 (B75)
was not detected.
1.4520.664 – MIC5 E2 Tr2 wrong n of trigg events
Yellow alarm. Initiated by MIC5.
Cause
The number of trigger 2 (B75)
events is not correct.
1.4520.665 – MIC5 E2 Tr2 signal missing
Yellow alarm. Initiated by MIC5.
Cause
An expected signal from trigger
2 (B75) was missing
1.4520.666 – MIC5 E2 Tr2 signal faulty
Yellow alarm. Initiated by MIC5.
Cause
An unexpected signal from
trigger 2 (B75) was detected.
94 | Troubleshooting | MS15027/02E 2015-04
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.
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.
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.
Corrective action
u Check sensor, sensor clearance, cabling, settings in data record
and timing wheel. Replace sensor if required.