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12 Troubleshooting
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
12-2 Checking for Errors and Troubleshooting with the Indicators
12
12-2-1 Checking for Errors and Troubleshooting with the Indicators on the EtherNet/IP Coupler Unit
12-2 Checking for Errors and Trouble-
shooting with the Indicators
You can check for errors in the EtherNet/IP Slave Terminal with the indicators on the EtherNet/IP Cou-
pler Unit and the NX Units. This section tells you about the errors that the indicators show and the trou-
bleshooting procedures for them.
Troubleshooting the Primary Errors That are Displayed with the MS and NS
Indicators
The MS indicator represents the EtherNet/IP Coupler Unit module status.
The NS indicator represents the EtherNet/IP Coupler Unit Error status.
12-2-1 Checking for Errors and Troubleshooting with the Indicators
on the EtherNet/IP Coupler Unit
Indicators
Name Function
L/A P1 The L/A P1 indicator shows the status of the port 1 EtherNet/IP communications.
L/A P2 The L/A P2 indicator shows the status of the port 2 EtherNet/IP communications.
MS The MS indicator shows the EtherNet/IP Coupler Unit operating status.
NS The NS indicator shows the operating status of the EtherNet/IP communications.
TS The TS indicator gives the status of the EtherNet/IP Coupler Unit and the communications status
between the EtherNet/IP Coupler Unit and the NX Units.
UNIT PWR The UNIT PWR indicator shows the status of the Unit power supply.
I/O PWR The I/O PWR indicator shows the status of the I/O power supply.
Primary Errors That the Indicators Show and Troubleshooting Pro-
cedures
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