Mitsubishi Electric MELSEC-L LD75P User Manual page 643

(2) Checking errors on the "Error History" screen.
On the "Error History" screen, the error logs of the LD75 are displayed in a list together with the error logs of other
modules. The logs can be output to a CSV format file. The error codes and the time of error occurrence can be
checked even after the CPU module is powered off and then on or reset.
Select [Diagnostics]  [System Monitor]  [System Error History] button on GX Works2.
(a) Error History List
Module error logs are displayed in a list.
CHAPTER 15 TROUBLESHOOTING
(a)
(b)
(c)
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