Inovance SV660P, S810N & IS620P Servo Drive
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Nov 16, 2024 6:30 am
Er.939 fault in inovance IS650 servo drive indicates Motor power cable breaking. This means there is an issue with motor power cable.
- Check whether difference between H0B-24 (phase current valid value) and H0B-02 (internal torque reference) reaches over 500%.
- Check the motor power cable connection and reconnect wirings.
- If necessary, replace a new cable.
