Err30 fault in Emotron VS Series Drive

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Err30 fault indicates Instantaneous overvoltage. This means a sudden, extreme spike in the internal DC bus voltage was detected, exceeding the maximum safe limit. Possible Causes: 1: Input voltage is too high; 2: There is external force drag the motor to run in deceleration process; 3: The deceleration time is too short; 4: No installation of braking resistor. Solutions: 1: Adjust the voltage to normal range; 2: Cancel external force or install brake resistor; 3: To increase the deceleration time; 4: Install braking resistor.

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