F7450 Standstill monitoring has responded fault in Siemens SINAMICS V90 drive

Categories: Faults & Alarm

F7450 Standstill monitoring has responded fault in Siemens SINAMICS V90 drive

Cause:
After the standstill monitoring time expired, the drive left the standstill window.

  • Position loop gain too low.
  • Position loop gain too high (instability/oscillation).
  • Mechanical overload.
  • Connecting cable, motor/drive converter incorrect (phase missing, interchange).

Remedy:
Check the causes and resolve.