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CHAPTER 16 TROUBLESHOOTING
16
16.7 Error Code List
16.7.3 Error codes stored in the buffer memory
C1B9
H
The OPEN instruction cannot be executed for the specified
connection.
• Correct the connection number.
C1BA
H
The dedicated instruction was executed with the
initialization not completed.
• Execute the dedicated instruction after the initial process
is completed.
C1BB
H
The target station CPU type is incorrect. • Correct the specified target station CPU type.
C200
H
The remote password is incorrect.
• Correct the remote password, and unlock/lock the remote
password again.
C201
H
The remote password status of the port used for
communications is in the lock status.
• After unlocking the remote password, perform
communications.
C202
H
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.
C203
H
System error (The OS detected an error.)
• Follow the procedure below.
(1) Check if the Ethernet module, the power supply
module, and the CPU module are properly connected.
(2) Check if the operating environment of the Ethernet
module conforms to the general specifications of the
CPU module.
(3) Check if the power capacity is sufficient.
(4) Check if the hardware is normal according to the
manual for each module.
If the actions above do not solve the problem, please consult
your local Mitsubishi representative.
C204
H
The device is different from the one requesting the remote
password unlock.
• Request the lock process of the remote password from the
connected device that requested the unlock process of the
remote password.
C205
H
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.
C206
H
System error (The OS detected an error.)
• Follow the procedure below.
(1) Check if the Ethernet module, the power supply
module, and the CPU module are properly connected.
(2) Check if the operating environment of the Ethernet
module conforms to the general specifications of the
CPU module.
(3) Check if the power capacity is sufficient.
(4) Check if the hardware is normal according to the
manual for each module.
If the actions above do not solve the problem, please consult
your local Mitsubishi representative.
C207
H
The file name has too many characters. • Name the file with 255 characters or less.
C300
H
A response could not be received within the response
monitoring timer value.
• Check the operation of the connected device.
• Correct the response monitoring timer value.
C400
H
Protocol not-ready error
• Check that Predefined protocol ready (X1D) has turned on
before executing the ECPRTCL instruction.
• Execute the ECPRTCL instruction after rewriting the
protocol setting data to the Ethernet module.
• If an error still occurs even after rewriting, replace the
module.
C401
H
Protocol unregistered error
• Correct the specified protocol number and execute the
protocol again.
• Register the corresponding protocol to the specified
protocol number.
C402
H
Protocol setting data error • Correct the protocol setting data and register it again.
Error code Error description Action
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