Danfoss VLT FC 360 Drive
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Feb 08, 2024 5:47 am
Warning /Alarm 99 in danfoss VLT FC360 drive : Locked Rotor - comes when the rotor is blocked. It is only enabled for PM motor control.
- Check if the motor shaft is locked.
- Check if the start current triggers the current limit set in parameter 4-18 Current Limit.
- Check if it increases the value in parameter 30-23 Locked Rotor Detection Time [s].
