Troubleshooting - Mitsubishi Electric FR-A8NC Instruction Manual

 Troubleshooting
Description
Operation mode does not switch to
the network operation mode
Inverter does not start in the Network
operation mode
88
PROGRAMMING EXAMPLES
Check that the option unit (FR-A8NC) and CC-Link dedicated cables are fitted properly.
(Check for contact fault, break in the cable, etc.)
Check that Pr.542 Communication station number (CC-Link) 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.)
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