F7420 fault in Siemens V70 Drive

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F7420 fault in Siemens V70 Drive indicates Drive: Current setpoint filter natural frequency > Shannon frequency. This means the configured filter frequency is too high for the drive's sampling rate and must be reduced. Cause: One of the filter natural frequencies is greater than the Shannon frequency (2KHz).
Filter 1 (p1658, p1660)
Filter 2 (p1663, p1665)
Filter 3 (p1668, p1670)
Filter 4 (p1673, p1675)

Remedy:
  • Reduce the numerator or denominator natural frequency of the current setpoint filter involved at the control system side.
  • Switch out the filter involved (p1656).

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