What can cause an SLF1 fault on the ATV12 drives?

Issue:
SLF1 fault causes on the ATV12 drives.

Product Line:
Altivar ATV12

Environment:
All

Cause:
Interruption in communication on the Modbus network

Resolution:
• Check the connections of communication bus.
• Check the time-out (Modbus time out ttO parameter
page 83)
• Refer to the Modbus user manual

Released for: Schneider Electric USA