voltage is too low normal startup operation is rotational speed performed on the rotating tracking restart or start the motor motor after it stops sudden load is added the added load during acceleration an inverter of inverter model is of higher class too small power class output circuit grouded or short-circuited Eliminate external faults mode is VC,and the motor auto-turning is not Perform the performed Overcurrent deceleration time is the during too short deceleration time 3 E.oC2 deceleration voltage is too low the voltage to normal range sudden load is added during deceleration the added load braking unit and the braking unit braking resistor are not and braking resistor installed output circuit grouded or short-circuited external faults mode is SVC,and the motor the motor auto-turning is not performed Overcurrent at the voltage to 4 E.oC3 voltage is too low normal range constant speed sudden load is added the added load during deceleration an inverter of The inverter model is of higher power class too small power class input voltage is too the voltage to high normal range Overvoltage external force drives the external during 5 E.oU1 the motor during force or install a braking acceleration resistor acceleration The acceleration time is the too acceleration time
voltage is too low startup operation is performed on the rotating motor sudden load is added during acceleration inverter model is of too small power class normal rotational speed tracking restart or start the motor after it stops the added load an inverter of higher class 3 E.oC2 Overcurrent during deceleration output circuit grouded or short-circuited mode is VC,and the motor auto-turning is not performed deceleration time is too short voltage is too low sudden load is added during deceleration braking unit and braking resistor are not installed Eliminate external faults Perform the the deceleration time the voltage to normal range the added load the braking unit and braking resistor 4 E.oC3 Overcurrent at constant speed output circuit grouded or short-circuited mode is SVC,and the motor auto-turning is not performed voltage is too low sudden load is added during deceleration The inverter model is of too small power class external faults the motor the voltage to normal range the added load an inverter of higher power class 5 E.oU1 Overvoltage during acceleration input voltage is too high external force drives the motor during acceleration The acceleration time is too the voltage to normal range the external force or install a braking resistor the acceleration time
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