Jiuchuan E.OC.n fault code meaning

Series: C

Over-current at constant speed

AC drive

Meaning: 1: Check whether the motor has got short circuit and whether the insulation of the output wires is good. 2: Check whether the motor is blocked and whether there is a sudden change of mechanical load. 3: Check whether the inverter's capacity is too small and increase its capacity. 4: Check whether there is a sudden change in the power supply voltage. (suffix: S=at stopping, A=at accel., N=at constant speed run, D=at decel.)

Possible causes

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