Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 324

Error Error details and causes
code
C431H Close processing of the connection was performed
during the ECPRTCL instruction execution.
C440H A communication error has occurred with an engineering
to tool when executing the Ethernet diagnostics.
C44FH
C610H The module processing was completed with an error.
to
C613H
C614H The module processing was completed with an error.
C615H The module processing was completed with an error.
C616H Connection of the control port to the FTP server failed.
C617H Disconnection of the control port to the FTP server failed.
C618H Login to the FTP server failed.
C619H Execution of the FTP command to the FTP server failed.
C620H Connection of the data transfer port to the FTP server
failed.
C621H Disconnection of the data transfer port to the FTP server
failed.
3 TROUBLESHOOTING
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3.5 List of Error Codes
Action
• Check the operation of the external device.
• Check the connection open status with the external
device.
• Open the connection with the external device again
and execute the instruction.
• Execute the communication status test, and if the test
was completed with an error, take the corrective action.
• Execute the module communication test, and check
that there is no failure in the module.
• Execute the communication status test, and if the test
was completed with an error, take the corrective action.
• Execute the module communication test, and check
that there is no failure in the module.
• Correct the setting value of "Response Monitoring
Timer" under "FTP Server Settings" because writing
files may require a longer time.
• Execute the communication status test, and if the test
was completed with an error, take the corrective action.
• Execute the module communication test, and check
that there is no failure in the module.
• Execute the communication status test, and if the test
was completed with an error, take the corrective action.
• Execute the module communication test, and check
that there is no failure in the module.
• Correct the IP address setting of the Ethernet-
equipped module.
• Correct the FTP server setting.
• Check connection with the FTP server.
• Disconnect the user session on the FTP server.
• Data communications may not be ready. Wait for a
while and perform the operation again.
• Correct the TCP ULP timeout value because
connecting to the FTP server may require a longer
time.
• Correct the FTP server setting.
• Check connection with the FTP server.
• Correct the FTP server setting (login user name and
login password).
• Check the FTP server software settings (login user
name and login password).
• Check the data communication history of the FTP
server software.
• Correct the FTP server setting (folder path and
connection method).
• Check that the user has a right to access (read/write)
the FTP server or the specified file.
• Check that the specified folder path exists in the FTP
server.
• Check that the specified file exists in the FTP server.
• Correct the FTP server software settings.
• Check the data communication history of the FTP
server software.
• Check that the file access is being performed in the
FTP server.
• Check connection with the FTP server.
• Correct the FTP server setting (connection method).
• If a firewall is active or the proxy server is on the
connection path, consult a network administrator about
the settings.
• Check connection with the FTP server.
• Correct the FTP server setting (connection method).
• If a firewall is active or the proxy server is on the
connection path, consult a network administrator about
the settings.
Detailed information
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