What can cause a CFI fault? | Schneider Electric USA

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What can cause a CFI fault?

Issue:
Display shows CFI

Product Line:
ATV71, ATV71

Environment:
All models and serial numbers

Cause:
Invalid configuration. The configuration loaded in the drive via the bus or communication network is inconsistent.

Other cause is Max Frequency (tFr) has been set at a value higher than 599 Hz.

Resolution:
For invalid configuration, check the configuration loaded previously or load a compatible configuration.

For Max Frequency (tFr) set to high, set the value lower than 599 Hz. Due to safey, variable frequency drives cannot run at 600Hz and above.