Due to solving those problems :

  1. Modbus ground connection check.
  2. VFD frequency regulator loose connection check.
  3. SPD check .
  4. RJ-45 connector check.
  5. Cable check.
  6. VFD controller Check.
  7. System Earth Resistance Check etc.
DTW-118,122,220 & 205 automatic start-stop problem solved

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