Allen Bradley PowerFlex 70, PowerFlex 700, PowerFlex 700L & PowerFlex 700S Drive
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Mar 11, 2024 12:47 pm
Cause : +/- 12volt Power comes when the12V dc control voltage is outside the tolerance range. The positive voltage power must be within the band from +15.25 to +11.4V dc.
- The negative voltage power must be within the band from -16.6 to -10V dc.
- Replace switch mode power supply.
- For smaller frames, replace drive.
