Due to solving those problems :
- Modbus ground connection check.
- VFD frequency regulator loose connection check.
- SPD check .
- RJ-45 connector check.
- Cable check.
- VFD controller Check.
- System Earth Resistance Check etc.






Due to solving those problems :






Modbus Serial communication cable check Complete. No problem Found in the Field LIT Do Not Down in The Boring After 10 Meter
Previous control cable is damaged by ant .so we replace new control cable