Why does motor connected to VFD run very hot?


  • Incorrect motor settings.
  • Incorrect motor wiring.
  • Running motor at a frequency too low (below 30 Hz).

How to troubleshoot

  • Carefully review motor specifications on label and reconfigure them.
  • Double-check motor wiring and ensure that supplied voltage from VFD is correct.
  • Increase running frequency of motor. It may be necessary to adjust the mechanical transmission ratio…