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3 TROUBLESHOOTING
3.5 List of Error Codes
C1CBH The transient data is incorrect. • Correct the transient data at the request source, and
retry the operation.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
C1CCH A response of the data length that exceeds the allowable
range was received by the SLMPSND instruction.
• Execute again after correcting the request data to be
within the range.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
C1CDH Message send of the SLMPSND instruction has failed. • Check the operation of the external device or switching
hub.
• Since there may be congestion of packets on the line,
send data after a certain period of time.
• Check if the connection cable is disconnected.
• Check that there is no connection failure with the
switching hub.
• 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 specified as the destination.
C1D0H The requested module I/O No. of the dedicated
instruction is incorrect.
• Execute again after correcting the requested module I/
O No. at the request source of the dedicated
instruction.
• If the error occurs again even after taking the above,
please consult your local Mitsubishi representative.
C1D2H The target station IP address of the link dedicated
instruction is incorrect.
Execute the link dedicated instruction again after
correcting the IP address.
C1D3H The dedicated instruction not supported by the
communication method of the connection was executed.
• Check that the dedicated instruction can be executed
by the specified communication method. Correct the
program when the instruction cannot be executed.
• Check that there is no error in the connection
specification of the dedicated instruction.
C200H The remote password is incorrect. Correct the remote password, and unlock/lock the remote
password again.
C201H The remote password status of the port used for
communications is in the lock status.
After unlocking the remote password, perform
communications.
C202H When another station was accessed, the remote
password could not be unlocked.
When accessing another station, do not set the remote
password on the relay station or access station, or do not
execute the remote password check on them.
C203H An error has occurred by checking the remote password. Correct the remote password, and unlock/lock the remote
password again.
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.
C205H When another station was accessed, the remote
password could not be unlocked.
When accessing another station, do not set the remote
password on the relay station or access station, or do not
execute the remote password check on them.
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.
C400H The ECPRTCL instruction was executed when
Predefined protocol ready is not completed.
• Execute the ECPRTCL instruction after Predefined
protocol ready has turned on.
• Execute the ECPRTCL instruction after rewriting the
protocol setting data to the Ethernet-equipped module.
• If the error occurs again even after taking the above,
the possible cause is a hardware failure of the module.
Please consult your local Mitsubishi representative.
C401H The protocol number specified by the ECPRTCL
instruction is not registered in the Ethernet-equipped
module.
• Correct the specified protocol number and execute the
instruction again.
• Register the protocol specified protocol number to the
Ethernet-equipped module.
C402H A error has occurred in the protocol setting data
registered in the Ethernet-equipped module and the
ECPRTCL instruction cannot be executed.
Correct the protocol setting data and register it again.
Error
code
Error details and causes Action Detailed information
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