MTU 20V4000L32FNER Operating Instructions Manual page 89

1.4520.520 – MIC5 Stat W: temperat. limit reached
Yellow alarm. Initiated by MIC5.
Cause
The device temperature is too
high.
1.4520.521 – MIC5 Stat W: pow output lim reached
Yellow alarm. Initiated by MIC5.
Cause
Power output is too high.
1.4520.522 – MIC5 Stat W: invalid coil data
Yellow alarm. Initiated by MIC5.
Cause
The ignitions system settings are
invalid.
1.4520.523 – MIC5 Stat W: invalid configuration
Yellow alarm. Initiated by MIC5.
Cause
The ignitions system settings are
invalid.
1.4520.524 – MIC5 Stat W: invalid trigger config
Yellow alarm. Initiated by MIC5.
Cause
The ignitions system settings are
invalid.
1.4520.525 – MIC5 Stat W: conf data checksum err
Yellow alarm. Initiated by MIC5.
Cause
The ignitions system settings are
invalid.
1.4520.526 – MIC5 Stat Analogue current sig fail
Red alarm. Initiated by MIC5.
Cause
Failure of the current signal to
adjust the ignition point.
Corrective action
u Ensure that the genset room is adequately ventilated.
Corrective action
1. Check ignition system settings in the engine governor.
2. Check ignition coils.
3. Check igniters.
Corrective action
1. Check ignition system settings in the engine governor.
2. Restart ignition control unit.
Corrective action
1. Check ignition system settings in the engine governor.
2. Restart ignition control unit.
Corrective action
1. Check ignition system settings in the engine governor.
2. Restart ignition control unit.
Corrective action
1. Check ignition system settings in the engine governor.
2. Restart ignition control unit.
Corrective action
u Check settings in ignitions control unit.
MS150122/02E 2017-09 | Troubleshooting | 89