What can cause an LFF1 error on the ATV12 drives?

Issue:
LFF1 error on the ATV12 drives

Product Line:
ATV12 drives

Environment:
All

Cause:
AI current loss fault

Resolution:
Detection if:
• Analog input AI1 is configured as
current
• AI1 current scaling parameter of
0% CrL1 page 52 is greater,than 3 mA
• Analog input current is lower than 2 mA

Check for loose connections

Publicerad för:Schneider Electric Sverige