MTU 16V4000L32FNER Operating Instructions Manual page 91

1.4520.542 – MIC5 E1 Speed sig during selftest
Red alarm. Initiated by MIC5.
Cause
Pulse sensor signals were
detected during the self-test.
1.4520.543 – MIC5 E1 Shutdown due to alarm
Red alarm. Initiated by MIC5.
Cause
Shutdown due to alarm.
1.4520.544 – MIC5 E1 Id of output board failed
Red alarm. Initiated by MIC5.
Cause
The characteristic data of the
output board is illegible or
corrupt.
1.4520.545 – MIC5 E1 Fail hi-voltage pow supply
Red alarm. Initiated by MIC5.
Cause
The high voltage power supply
unit is faulty.
1.4520.546 – MIC5 E1 Failure temperature sensor
Red alarm. Initiated by MIC5.
Cause
The temperature sensor is faulty.
1.4520.547 – MIC5 E1 Failure current sensor
Red alarm. Initiated by MIC5.
Cause
The current sensor is faulty.
1.4520.548 – MIC5 E1 Temperature limit reached
Red alarm. Initiated by MIC5.
Cause
The device temperature has
exceeded the admissible value.
Corrective action
u Restart ignition control unit.
Corrective action
1. Rectify cause of alarm.
2. Restart ignition control unit.
Corrective action
1. Restart ignition control unit.
2. Replace ignition control unit.
Corrective action
1. Restart ignition control unit.
2. Replace ignition control unit.
Corrective action
1. Restart ignition control unit.
2. Replace ignition control unit.
Corrective action
1. Restart ignition control unit.
2. Replace ignition control unit.
Corrective action
1. Ensure that the genset room is adequately ventilated.
2. Restart ignition control unit.
MS150121/02E 2017-09 | Troubleshooting | 91