Troubleshooting - Omron CJ1W-ETN21 - 04-2009 Operation Manual

This section describes information and procedures that can be used to troubleshoot problems that sometimes occur with
Ethernet Unit and Ethernet communications.
The Ethernet Unit makes up part of a network. Repair a defective Ethernet Unit as soon as possible as it can have a negative
effect on the entire network. We recommend that customers keep one or more spare Ethernet Units to allow immediate
recovery of the network.
8-1 Troubleshooting with Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-2 Error Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-3 Error Log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-3-1 Error Log Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4 Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4-1 Startup Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4-2 FINS Communications Problems
(SEND(090)/RECV(098)/CMND(490)) . . . . . . . . . . . . . . . . . . . . .
8-4-3 UDP Socket Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4-4 TCP Socket Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4-5 FTP Service Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4-6 Network Connection Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4-7 Troubleshooting with Response Codes. . . . . . . . . . . . . . . . . . . . . . .
8-5 Results Storage Area Response Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 8

Troubleshooting

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