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What is TJF2 fault on the Process drives?

Published date: 25 July 2019

 Issue:
What is TJF2 fault on the ATV630 and ATV930 drives and what can cause it?

Product Line:
Altivar, ATV630, ATV930

Environment:
All model numbers, all serial numbers

Cause:
The thermal model of the AFE IGBT thermal monitoring has detected an overheat.

Resolution:
This possible causes are Ambient temperature too high, bad cooling fan, or filter blocked.  Check the ventilation of the AFE brick and the ambient temperature.  Also, check the cooling fans for proper function.

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