What is a USF fault on ATV320
Issue:
USF fault on ATV320
Product Line:
Altivar Machine, ATV320
Environment:
All serial numbers
Cause:
• Supply mains too low
• Transient voltage dip
Resolution:
• Measure incoming line to line voltages
• Check the DC bus voltage on PA and PC
• Check the voltage and the parameters of [UNDERVOLTAGE MGT] (USb-)
ATV320 programming manual:
https://www.se.com/ww/en/download/document/NVE41295/
USF fault on ATV320
Product Line:
Altivar Machine, ATV320
Environment:
All serial numbers
Cause:
• Supply mains too low
• Transient voltage dip
Resolution:
• Measure incoming line to line voltages
• Check the DC bus voltage on PA and PC
• Check the voltage and the parameters of [UNDERVOLTAGE MGT] (USb-)
ATV320 programming manual:
https://www.se.com/ww/en/download/document/NVE41295/
Released for: Schneider Electric Ireland
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