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What can cause the ATS22 soft starter to trip on a SLF fault?

Issue:
What can cause the ATS22 soft starter to trip on a SLF fault?

Product Line:
ATS22 and Enclosed ATS22

Environment:
All 

Cause:
Network time out fault 

Resolution:
SLF Modbus Time Out • Serial link detected fault. Check the RS485 connection.
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