Mitsubishi MELSEC LJ71C24, User Manual

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15 TROUBLESHOOTING
(b) Checking on the "Error History" screen
On this screen, errors including those occurred in other modules are
displayed in chronological order, and the data can be output in a CSV file.
Error code and date and time of error occurrence can be checked even after
powering OFF and then ON the CPU module or after resetting the CPU
module or head module.
On GX Works2, select [Diagnostics] [System Monitor] and click the
System Error History button.
1)
2)
3)
1) Error History List
Error log of the module is displayed.
For errors occurred during initial processing of the CPU module, the date
and time will be 0000/00/00 00:00:00, therefore the displayed order
under Error history list is not in the order in which the error occurred.
2) Error and Solution, Intelligent Module Information
• Error and Solution
The error description and corrective action for the error, which is
currently selected under "Error History List", are displayed.