Mitsubishi Electric MELSEC-Q Series - Checking Errors in the CPU Module

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 Checking errors in the CPU module
If a problem occurs, errors can be checked by diagnosing the programmable controller CPU in GX
Developer.
Operating procedure
PLC Diagnostics screen (example)
Help screen (example)
1 Select [Diagnostics] 
[PLC diagnostics].
(Error log)
2 Click the button.
(Present Error)
2 Click the button.
Current errors and corrective
actions are displayed.