Mitsubishi FR-E520-0.1KN - Operation Mode Unswitched to CC-Link Operation Mode; Inverter Unstarted in CC-Link Operation Mode; Parameter Write Cannot be Performed

PROTECTIVE FUNCTIONS
154
5.2.8 Operation mode unswitched to CC-Link operation mode
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Check that the inverters and CC-Link dedicated cable are fitted properly
(Check for contact fault, open cables, etc.).
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Check that the station number setting switches are set to the correct positions.
(Check that the station number matches the program, the station numbers are
not repeated, and the station number is not outside the range.)
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Check that the operation mode switching program is running.
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Check that the operation mode switching program has been written correctly.
5.2.9 Inverter unstarted in CC-Link operation mode
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Check that the operation mode is the CC-Link operation mode.
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Check that the inverter starting program has been written correctly.
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Check that the inverter starting program is running.
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Check that the inverter is providing output.
5.2.10 Parameter write cannot be performed
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Make sure that operation is not being performed (forward or reverse rotation
signal is not ON).
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Make sure that you are not attempting to set the parameter outside the setting
range.
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Make sure that you are not attempting to set the parameter in the external
operation mode.
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Check Pr. 77 "parameter write inhibit selection".