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What is the InFr Fault on the Altivar Process Drive?

Issue:
What is the Internal Error 27 Fault on the Altivar Process Drive?

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:
Probable Cause:
  • Diagnostics in CPLD have detected an error
Remedy:
  • Check Firmware 
  • For someone with more experience or familiarity with the drive
    • Try reseating Control Board Ribbon Cable
    • Try swapping out Control Board
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