F30037 Rectifier Overtemperature fault in siemens drive
F30037 Rectifier Overtemperature fault in siemens drive indicates that the input rectifier bridge is too hot.
Cause
1. Cooling fan failure.
2. Phase imbalance causing high ripple current.
Remedy
- Check line supply balance.
- Clean heatsink.
- Check fan operation.
Cause
1. Cooling fan failure.
2. Phase imbalance causing high ripple current.
Remedy
- Check line supply balance.
- Clean heatsink.
- Check fan operation.
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