Mitsubishi Electric MELSEC iQ-R Series User Manual page 90

5.
Select the error module, and execute the module diagnostics function. The error cause and the action to be taken can be
displayed. ( Page 92 Checking the Module Status)
[Diagnostics]  [System Monitor]  Double-click the error module.
6.
When data link cannot be performed even though the remote head module is normal in the module diagnostics, execute
the CC-Link IE Field Network diagnostics, and take action. ( Page 95 Checking the Network Status)
7.
If the error cause cannot be identified by the module diagnostics and CC-Link IE Field Network diagnostics, check the
executed operations and detected error logs on the event history window.
[Diagnostics]  [System Monitor]  [Event History] button
8.
If the error cause cannot be identified in steps 1 to 7, perform troubleshooting by symptom. ( User's Manual
(Application) for the module used)
4 TROUBLESHOOTING
88
4.1 Troubleshooting Procedure