Issue:
Internal Fault Error (InF9) on the Altivar Process Drives?

Product Line:
Altivar Process Drive (ATV630, ATV930, ATV650, ATV950, ATV660, ATV960, ATV680, ATV980)

Environment:
All serial numbers for Altivar Process Drive

Cause:
N/A

Resolution:
Principle
The fault indicates that the current measurement are not correct

Probable Cause

• Bad Current Circuit/Sensors
• Bad Control/Power Board

Remedies

• For customers who are not familiar with the drive please contact your local Schneider Electric Representative.
• If those who are more familiar with the Altivar Process drive you can follow procedures below:
  • Check ribbon cable between control board and power board
  • Swap power board or control board
  • Change out current sensors
  • Replace/repair complete drive

Publié pour: Schneider Electric Belgium