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SECTION 8
Troubleshooting
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
8-2 Error Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
8-3 Error Log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
8-3-1 Error Log Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
8-4 Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
8-4-1 Startup Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
8-4-2 FINS Communications Problems
(SEND(090)/RECV(098)/CMND(490)) . . . . . . . . . . . . . . . . . . . . . 214
8-4-3 UDP Socket Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
8-4-4 TCP Socket Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
8-4-5 FTP Service Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
8-4-6 Network Connection Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
8-4-7 Troubleshooting with Response Codes. . . . . . . . . . . . . . . . . . . . . . . 227
8-5 Results Storage Area Response Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
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