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What is the InFD (Internal Error 13) Fault on the Altivar Process Drive?
Issue:
Getting InFD Fault on the Altivar Process Drive.

Product Line:
Altivar Process Drive System (ATV660, ATV960, ATV680, ATV980)

Environment:
All serial numbers for Altivar Process Drive

Cause:
Drive is displaying an Internal Error 13

Resolution:
An InFD is an Internal Error 13 (Differential Current Deviation Error).
Possible Causes:
  • One or more bricks are not operating
    • List of bricks in the Altivar Drive Systems (ATV660, ATV680, ATV960, ATV980)
      • Rectifier Brick
      • Inverter Brick
      • Filter Brick
      • Active Front End (AFE) Brick
  • Current transformer of the bricks are damaged
    • The current transformer are located on the Inverter Brick.
    • Inverter Brick may have to be replaced.
Remedies:
*Only authorize personnel should perform these task*
  • Check Power Board to Invert Brick cable.
    • Check pin connections
    • Reseat
  • Measure U/V/W phase currents of each brick on the paralleling choke to identify the brick with less output current.
  • Manually test IGBT on each Brick with a multimeter.
    • Open Motor choke connections when performing test.

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