Ftp Service Problems - Omron CS1W-ETN11 Operation Manual

Troubleshooting Procedures
Transmission Problems
1,2,3...

10-5-5 FTP Service Problems

Connection Problems
1,2,3...
202
True ➨ Adjust the remote node to process send data.
3. Read memory status using the FINS command READ MEMORY STATUS.
4. Is the network memory being used more than 80%?
True ➨ There may be too much load on the Ethernet Unit. If the memory
exhaustion records show counts, processing may be slow. Check
your applications.
5. Return to the procedure for general problems.
6. Is the response code in the results storage area a value other than 0000?
(If you are using the Socket Service Request Switches, check the re-
sponse code to see if it is other than 0000 Hex.)
True ➨ Return to the procedure for general problems.
7. Is the number of bytes received in the results storage area 0?
True ➨ The remote node's TCP socket has closed. Close the local socket.
1. Is send processing finishing?
True ➨ Return to the procedure for general problems.
2. Read socket status using the FINS command READ SOCKET STATUS.
3. Is there the maximum number of bytes in the send queue (4,096 bytes)?
True ➨ Make sure that reception processing is being performed at the re-
mote note.
Most of the initial steps in these procedures are in question form. Continue in
sequence until a "True" answer tells you to jump to a specified step or until you
are told to perform a specific action that corrects the problem. If performing
the action does not correct the problem, return to the beginning of the proce-
dure and start over.
1. Are you unable to connect to the Ethernet Unit's FTP server?
True ➨ Step 5.
2. If the FTP indicator lit?
True ➨ The FTP server is connected to another client. Wait until the client
has finished.
3. Are the parameter settings in the host computer incorrect?
True ➨ Correct the computer settings. Refer to the documentation for your
computer.
4. Go to 10-5-6 Network Connection Problems on page 203.
5. Are you unable to log in?
True ➨ Check the login name and password settings.
6. Is a Memory Card being used?
True ➨ Step 11.
7. Can you display the EM directory using ls from the host computer?
True ➨ End.
8. Have specified banks of the EM Area been converted to EM File Memory?
True ➨ Step 9.
9. Has the EM File Memory been initialized?
Section 10-5