13 Troubleshooting
13 - 2
NX-series EtherCAT Coupler Unit User’s Manual (W519)
13-1 How to Check for Errors
Use the following methods to check the status of errors on the EtherCAT Slave Terminal.
Note You can use an NS-series PT to view current errors on the EtherCAT Coupler Unit and some of the NX
Units as well as information on the NX Units in which the current errors occurred.
If you use an NJ-series Controller, refer to the NJ-series Troubleshooting Manual (Cat. No. W503) for
the procedures to check for errors in the entire Controller.
Checking method What you can check
Checking the indicators The indicators tell you the status of each Unit, and the level of the error.
Troubleshooting with the Sysmac
Studio
You can check for current Controller errors, a log of past Controller
errors, error sources, error causes, and corrections.
NJ-series Controller
EtherCAT
USB or
other
connection
Sysmac Studio
Troubleshooting
• Current errors
• Error logs
Slave Terminal
Indicators
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