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CHAPTER 16 TROUBLESHOOTING
16
16.7 Error Code List
16.7.3 Error codes stored in the buffer memory
C0C2
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.
C0C3
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.
C0C4
H
The UINI instruction has been executed during
communications.
• Execute the UINI instruction after closing all connections.
C0C5
H
• A send request was issued to the connected device with
the class/network address different from those of the
own station when the router relay function is not used.
• The setting of the router relay parameter is incorrect.
• Enable the router relay function and perform the initial
process.
• Set the correct data in the router relay parameter.
• Correct the IP address of the connected device and
perform the open process.
• Check if the network address is correct.
• After changing the network address, perform the initial
process again.
C0C6
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.
C0C7
H
An Ethernet module system error has occurred.
• Take action such as separating networks or decreasing
the number of data sending to reduce the load on the
Ethernet line.
• Consult the network administrator and reduce the load on
the Ethernet line.
• Perform the self-diagnostics test to check for an error in
the Ethernet module.
If the actions above do not solve the problem, please consult
your local Mitsubishi representative.
Error code Error description Action
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