Mitsubishi Electric MELSEC Q Series User Manual page 244

(From the previous page)
(2) Checking on the "Error History" window
An error history that includes errors in the QD73A1 and other modules is displayed in a list, and it can be output
to a CSV file. The error codes and the error occurrence time can be checked even after the power was turned off
and on or the CPU module was reset.
[Diagnostics]
(a) Error History List
Error logs of modules are displayed in a list.
242

[System Monitor...]
3.
Click the
"Module's Detailed Information" window.
The error detail and solution can be checked under
"Error and Solution"
button
button to display the
(a)
(b)
(c)