System Error History - Mitsubishi Electric MELSEC L Series User Manual

11.3
The history of the errors that occurred in the past can be checked so that corrective actions can be taken for each of
them. The error that has occurred before the head module is reset or the system is powered off also can be checked.
On a single window, the error history of not only the head module but also the intelligent function modules connected to
the head module can be checked.
Data of up to 100 errors can be collected. (When the number of collected error logs exceeds 100, the oldest error log
will be deleted.)
(1) Checking the error history
Displays the error history of the module.
Displays the details and solution of the error selected in "Error History List."
● If the error code 9900 is detected, check the error and corrective action of the error code D***H detected at the same time
● If the same error occurred continuously, only the first error record is displayed in the "Error History" window.
● Selecting a module in the "Main Block" area in "System Monitor" and clicking the
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System Error History

GX Works2
Error history display
Time Module Error code
19:29 Module A A1
19:33 Head module C1
19:34 Module B B1
19:36 Module A A2
to troubleshoot the problem. Concurrently with the error code 9900, the error code D***H is also detected.
the "Error History" window. In this case, only the error history of the module selected in "Main Block" is displayed.
For details on errors of intelligent function modules, refer to the following.
Manual for the intelligent function module used
search engine
Module A
Head module
Error history of the head module and intelligent
function modules connected to the head module
1.
Open the "Error History" window.
[Diagnostics]
The error history is displayed. Check the error and
corrective action, and troubleshoot the problem.
CHAPTER 11 TROUBLESHOOTING
Module B
[System Monitor]
button
button will also open
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