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Troubleshooting
Description
Operation mode does not switch to
the Network operation mode
Inverter does not start in the Network
operation mode
102
PROGRAMMING EXAMPLES
Check that the option unit (FR-A8NCG) and Ethernet cables are fitted properly.
(Check for contact fault, break in the cable, etc.)
Check if Pr.436 IP address 3 and Pr.437 IP address 4 are correctly set. (Check that their settings
match with the program, that the network number is set within the range, that no overlapping stations
exist, and that the station number is set within the range.)
Check that the inverter is in the External operation mode.
Check that the operation mode switching program is running.
Check that the operation mode switching program has been written correctly.
Check that the inverter starting program is running.
Check that the inverter starting program has been written correctly.
Check that Pr.338 Communication operation command source is not set to external.
Check point
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