12 - 1
12
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
There are several ways to check errors on an EtherNet/IP Slave Terminal. If an error 
occurs, refer to this section to troubleshoot the error.
12-1 How to Check for Errors  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12-2
12-2 Checking for Errors and Troubleshooting with the Indicators   . . . . . . . .  12-3
12-2-1 Checking for Errors and Troubleshooting with 
the Indicators on the EtherNet/IP Coupler Unit . . . . . . . . . . . . . . . . . . . . . . . .  12-3
12-2-2 Checking for Errors and Troubleshooting with 
the Indicators on the NX Units   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12-9
12-3 Checking for Errors and Troubleshooting with Support Software  . . . .  12-10
12-3-1 Checking Status with the Network Configurator  . . . . . . . . . . . . . . . . . . . . . .  12-10
12-3-2 Connection Status Codes and Troubleshooting  . . . . . . . . . . . . . . . . . . . . . .  12-17
12-3-3 Checking for Errors from the Sysmac Studio  . . . . . . . . . . . . . . . . . . . . . . . .  12-21
12-3-4 Checking for Errors from Support Software 
Other Than the Sysmac Studio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12-21
12-3-5 Event Codes for Errors and Troubleshooting Procedures   . . . . . . . . . . . . . .  12-22
12-4 Resetting Errors  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12-51
12-4-1 Procedure to Reset Errors   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12-51
12-5 Troubleshooting Other Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  12-54
Troubleshooting