Mitsubishi Electric MELSEC-L LD75P User Manual page 754

(3) Error History
(a) Operating procedure
1.
Starting the "Positioning Monitor" window
Display the "Positioning Monitor" window.
[Tool]  [Intelligent Function Module Tool]  [QD75/LD75 POSITIONING MODULE]  [Positioning
Monitor]
2.
Switching to the "Error History" window
Click the "Error History" button (
The display switches to the "Error History" window.
When the number of logs exceeds 16, the latest log overwrites the oldest log so that the latest 16 error
histories can be monitored all the time.
Also, the error details can be confirmed by clicking the axis error No.
752
) on the toolbar.