Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 325

Error Error details and causes
code
C622H An error has occurred during file transfer to the FTP
server.
C623H A response could not be received from the FTP server.
C700H The module processing was completed with an error.
C701H The IP address (network number) setting is incorrect in
communications using the IP packet transfer function.
C702H The IP address (station number) setting is incorrect in
communications using the IP packet transfer function.
C703H The destination IP address (upper level) setting is
incorrect in communications using the IP packet transfer
function.
C704H The destination IP address (lower level) setting is
incorrect in communications using the IP packet transfer
function.
C705H The module processing was completed with an error.
to
C707H
C708H When communicating with the IP packet transfer
function, "IP Packet Transfer Function" is set as "Not
Use" in "IP Packet Transfer Setting" under "Application
Settings" of the Ethernet-equipped module connected
with the Ethernet devices.
C709H A communication error has occurred with MELSOFT
direct connection.
C810H Remote password authentication has failed when
required.
C811H Remote password authentication has failed when
required.
C812H Remote password authentication has failed when
required.
C813H Remote password authentication has failed when
required.
C814H Remote password authentication has failed when
required.
C815H Remote password authentication has failed when
required.
C816H The security function was activated and remote
password authentication cannot be performed.
C840H Number of transient request exceeded the upper limit of
simultaneously processable requests.
Action
• Delete unnecessary files on the FTP server to increase
free space.
• Check connection with the FTP server.
• The specified file may be used in the other process.
Wait for a while and perform the operation again.
• The Ethernet line may be congested. Wait for a while
and perform the operation again.
• Check that the FTP server name is registered in the
DNS.
• Change the FTP server name to the IP address, and
check the operation.
• Check that the data communications with the FTP
server is possible by using the Ping command.
• 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.
Check the IP address (network number).
Check the IP addresses (station number).
Check the destination IP address.
Check the destination IP address.
• 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.
When communicating with the IP packet transfer
function, set "IP Packet Transfer Function" as "Not Use"
in "IP Packet Transfer Setting" under "Application
Settings".
• Do no execute the specification of the direct
connection when direct connection is not used.
• Do not power off the system or reset the CPU module,
or remove the cable during the communications when
direct connection is used.
Set a correct password and perform password
authentication again.
Set a correct password and perform password
authentication again one minute later.
Set a correct password and perform password
authentication again 5 minutes later.
Set a correct password and perform password
authentication again 15 minutes later.
Set a correct password and perform password
authentication again 60 minutes later.
Set a correct password and perform password
authentication again 60 minutes later.
Set a correct password and perform password
authentication again after a certain period of time.
• Pause the transient transmission temporarily, and retry
the operation.
• Lower the transient transmission usage frequency, and
then perform again.
Detailed information
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3 TROUBLESHOOTING
323
3.5 List of Error Codes
3