Search FAQs

You are currently viewing the content available in Vietnam. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.

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.