Chapter 7 Troubleshooting
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Then start RUN again.
Change the controller's operation mode key switch to HALT once before switching
to RUN. Alternatively, run the RUN command in Set Run Mode on nV-Tool.
Remark
・
Even if the calendar has gone abnormality, the error logs are registered; however,
the date and time are displayed in the form of “date-time”
・
If "Transmission Service Error" appears in Read Logs, this indicates that update
of nV-Tool and the controller itself has not been established. In this case, check
the selections of the system and station and the cable connection settings. If none
of them are incorrect, the controller itself or the nV-Tool communication circuit
might contain a failure.
■
Checks with the nV-Tool conditions
You can view the module status using the procedure below, which assumes that an
external power failure of the I/O module occurred during operation:
Connect the controller and nV-Tool using an Ethernet cable.
Start nV-Tool.
From the nV-Tool product tree, select the system and station you want to
view.
Figure 7-11 Product tree
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