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WARNING/ALARM 146 in danfoss VLT FC 202 drive

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(@click2electro)
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Cause : Mains voltage comes when mains voltage is outside valid operating range. The following report values provide more details. 

  1. Voltage too low: 0=R-S, 1=S-T, 2=T-R.
  2. Voltage too high: 3=R-S, 4=S-T, 5=T-R.
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