F30005 fault in siemens sinamics V90 drive

F30005 fault in siemens sinamics V90 drive indicates Power unit Overload I²t. This means the inverter has been pushed past its continuous thermal current rating for too long, requiring a reduction in load to prevent hardware damage. 

Cause:
The power unit was overloaded.
  • The permissible rated power unit current was exceeded for an inadmissibly long time.
  • The permissible load duty cycle was not maintained.

Remedy:
  • Reduce the continuous load.
  • Adapt the load duty cycle.
  • Check the motor and power unit rated currents.

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