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WARNING/ALARM 12 in danfoss VLT FCD300

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(@click2electro)
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Cause : Current limit comes when the output current is greater than the value in parameter 221 Current Limit LIM, and the frequency converter will trip after a set time, selected in parameter 409 Trip delay overcurrent.

  • If the motor torque limit is exceeded during ramp up, extend the ramp up time.
  • If the generator torque limit is exceeded during ramp down, extend the ramp down time.
  • If torque limit occurs while running, possibly increase the torque limit.
  • Be sure the system can operate safely at a higher torque.
  • Check the application for excessive current draw on the motor.
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