Mitsubishi Electric MELSEC Q Series, User Manual

Page: 748 / 834

16 - 2
Chapter 16 Troubleshooting
16.1 Checking errors using GX Works2
Error codes corresponding to the errors occurred in the Simple Motion module can be
checked either on the following screen of GX Works2.
Select the screen according to the purpose and usage.
• "Module's Detailed Information" screen
• "Error History" screen
(1) Checking errors on the "Module's Detailed Information" screen
Select [Diagnostics] [System Monitor] on GX Works2.
Select "QD77GF" for "Main block" and click the [Detailed information] button.
The "Module's Detailed Information" screen for the QD77GF appears and error
code, error details, and corrective actions can be checked.
(2) Checking errors on the "Error History" screen.
POINT
The PLC CPU and GX Works2 that support the module error collection function are
required to confirm errors on the "Error History" screen. Refer to each PLC CPU
manual for the version of the PLC CPU or GX Works2 that supports the module
error collection function.
On the "Error History" screen, the error logs of the QD77GF 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 PLC CPU 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.