5-1
How to Check for Errors
Use one of the following error checking methods.
• Checking the indicators
• Troubleshooting with the Support Software
Refer to the troubleshooting manual for the CPU Unit, or the user’s manual for the Communications
Coupler Unit or Communication Control Unit that the NX Units are connected to for details on trouble-
shooting with the Support Software.
5 Troubleshooting
5-2
NX-series System Units User's Manual (W523)
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