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What are the remedies of StF fault on ATS22 Soft starter.

      StF is the Starting time detected fault.
      Following are the remedy of StF fault.
  • Check the mechanism (wear, mechanical play, lubrication, blockages, etc.)
  • Check that tLS (Max start time) is bigger than ACC (Acceleration time).
  • Check the sizing of the soft starter motor in relation to the mechanical requirement
  • Check ILt value : if the value is too low, the motor may not reach acceleration and full speed.
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