Cause : Overcurrent comes when the inverter turns off its output when the output current of the inverter flows more than the inverter rated current.

1. When an overcurrent fault occurs, operation must be started after the cause is removed to avoid damage to IGBT inside the inverter.
2. Increase the Accel/Decel time.
3. Output short circuit or ground fault has occurred. Check output wiring.
4. Mechanical brake of the motor is operating too fast. Check the mechanical brake.