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10 TROUBLESHOOTING
10.5 List of Error Codes
C204H The device is different from the one requesting
the remote password unlock processing.
Request the lock processing of the remote password from the
external device that requested the unlock processing of the remote
password.
C207H The file name has too many characters. Name the file with 255 characters or less.
C208H The password length is out of range. Set the password within 6 to 32 characters.
C612H The module processing was completed with an
error.
• 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.
C613H The module processing was completed with an
error.
• 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.
C615H The module processing was completed with an
error.
• 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.
C810H Remote password authentication has failed when
required.
Set a correct password and perform password authentication again.
C811H Remote password authentication has failed when
required.
Set a correct password and perform password authentication again
one minute later.
C812H Remote password authentication has failed when
required.
Set a correct password and perform password authentication again 5
minutes later.
C813H Remote password authentication has failed when
required.
Set a correct password and perform password authentication again
15 minutes later.
C814H Remote password authentication has failed when
required.
Set a correct password and perform password authentication again
60 minutes later.
C815H Remote password authentication has failed when
required.
Set a correct password and perform password authentication again
60 minutes later.
C816H The security function was activated and remote
password authentication cannot be performed.
Set a correct password and perform password authentication again
after a certain period of time.
C842H Cannot reach to the destination network number. Execute the link dedicated instruction again after correcting the target
network number/station number.
C844H Incorrect frame was received.
• Unsupported command
• Replace the network module with a module of the version
supporting the function that has been executed.
• If the error occurs again even after taking the above, please
consult your local Mitsubishi representative.
C900H Communication failed. Do not execute communication from multiple engineering tools to the
same master station simultaneously.
C901H The size of the request data to the external device
or response data from the external device
exceeds the range supported for communications.
Correct the size of the request data or response data to within 1500
bytes.
C902H Communication was interrupted because no
response was returned from the external device.
Execute the communication test, and if the test was completed with
an error, take corrective action.
C903H Failed to send request to the external device. • Correct the IP address of the external device.
• Check if the subnet mask of the external device matches the
master station.
• Check if the external device matches the communication speed.
• Check if the Ethernet cable is connected properly and there is no
failure.
CA00H
to
CA0AH
System error Please consult your local Mitsubishi representative.
CCC7H An object was accessed under conditions where
the access to the object is not permitted.
•
Check if the specified index and subindex are correct.
• Check the conditions that permit access to the object
corresponding to the specified index and subindex.
CCC8H A write-only object was accessed for read. • Check if the specified index and subindex are correct.
• Check the conditions that permit access to the object
corresponding to the specified index and subindex.
Error
code
Error definition and causes Action Detailed
information 1
Detailed
information 2
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