Tag Data Links Fail To Start - Omron CJ1W-EIP21 Operation Manuals

13-6-3 Tag Data Links Fail to Start*

* Use the following table to troubleshoot tag data links when the Tag Data Links Operating Information in Communications
Status 1 does not change to TRUE.
The indicators on the EtherNet/IP Unit are all
OFF.
The MS indicator on the EtherNet/IP Unit is lit
green, but the NS indicator remains OFF.
The MS indicator on the EtherNet/IP Unit is lit
green, but the NS indicator continues to flash
green.
The MS indicators is lit green on the EtherNet/IP
Unit, but the NS indicator continues to flash red.
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
• Check whether power is being supplied to the Controller.
• Check whether the EtherNet/IP Unit is mounted in the CPU Rack cor-
rectly.
• If a watchdog timer (WDT) error has occurred in the CPU Unit, follow
the procedures described in the CPU Unit's Operation Manual to cor-
rect the problem.
• All of the indicators for the EtherNet/IP Unit will be OFF if a CPU Bus
Unit error has occurred. Check for a CPU Bus Unit error.
• Restart the Unit. Replace the Unit if it doesn't restart.
• If the EtherNet/IP Unit's 7-segment display is displaying an error code,
refer to the tables in 13-2 Using the LED Indicators and Display for
Troubleshooting.
• Confirm that the cables are properly connected to the Ethernet switch
and the power supply to the Ethernet switch is ON.
• If the EtherNet/IP Unit's 7-segment display is displaying an error code,
refer to the tables in 13-2 Using the LED Indicators and Display for
Troubleshooting.
• The NS indicator will continue to flash green if the tag data link settings
have not been set in the Unit. Use the Network Configurator to set the
tag data link settings in the Unit, and then restart the Unit.
• Identify the error code shown on the 7-segment display based on the
tables in 13-2 Using the LED Indicators and Display for Troubleshoot-
ing, and eliminate the cause of the error.
13 Troubleshooting
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