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What can cause an SLF1 fault on the ATV12 drives?

Issue:
What can cause an SLF1 fault 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



 
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