Frequently asked questions
What causes INFC (Internal-time meas.) fault on an ATV61 / ATV71 series drive?
FA241891
14 July 2022
Issue:INFC fault on an ATV61 / ATV71.
Product Line:
Altivar 61 and Altivar 71 series drives.
Environment:
All models, All serial numbers
Cause:
Information not available in current literature.
Resolution:
Internal time measuring fault (INFC) is an indication that a specific internal function of the drive has failed. This is an internal failure of the drive and it should be repaired or replaced. This fault can not be corrected by programming changes in the drive.