CNF - Communication Network Fault
Cause - Communication interruption on communication card.
Resolution -
Check wiring. Make sure the network cables are isolated from any power leads or motor leads.
Check timeout settings as the command timeout may have passed to cause this fault.
Check the network set up parameters.
Check the option card for issue or try swapping out the option card.
For troubleshooting purposes if you need to temporarily disable the CNF fault, you can do so in the FLT menu.
Cause - Communication interruption on communication card.
Resolution -
Check wiring. Make sure the network cables are isolated from any power leads or motor leads.
Check timeout settings as the command timeout may have passed to cause this fault.
Check the network set up parameters.
Check the option card for issue or try swapping out the option card.
For troubleshooting purposes if you need to temporarily disable the CNF fault, you can do so in the FLT menu.
Released for: Schneider Electric India
