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What is an internal serial link fault (INF3) on an ATV320 drive?

Published date: 13 February 2020

Getting an internal serial link fault (INF3) on an ATV320 dirve.

Product Line:
Altivar 320


Communication interruption between internal cards of VFD

Check internal connections.  
If there is an option card, remove and re install.
Power cycle the VFD.  
Factory reset if needed.
Power up with no option card if instaled (this will perform factory reset)

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