Mitsubishi Electric QJ71E71-100 User Manual page 323

Error
Error description
code
C0BC
The specified communication line is closed.
H
Requests have been accepted successively and cannot
C0BD
H
be sent.
C0BE
System error (The OS detected an error.)
H
C0BF
System error (The OS detected an error.)
H
The open process of the UDP connection has not been
C0C0
H
completed.
C0C1
The transmission interval of UDP is too short.
H
C0C2
System error (The OS detected an error.)
H
C0C3
System error (The OS detected an error.)
H
The UINI instruction has been executed during
C0C4
H
communications.
• A send request was issued to the connected device
with the class/network address different from those of
C0C5
the own station when the router relay function is not
H
used.
• The setting of the router relay parameter is incorrect.
Action
• Open the communication line.
• Correct the target connection number.
• Check if requests have been sent successively without waiting for
a response.
• Follow the procedure below.
(1) Check if each module is properly mounted on the base unit.
(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.
• Follow the procedure below.
(1) Check if each module is properly mounted on the base unit.
(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.
• Perform the open process.
• Check the operation of the connected device.
• Check if a send request is being repeatedly issued.
• Increase the send interval.
• Follow the procedure below.
(1) Check if each module is properly mounted on the base unit.
(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.
• Follow the procedure below.
(1) Check if each module is properly mounted on the base unit.
(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.
• Execute the UINI instruction after closing all connections.
• 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.
CHAPTER 16 TROUBLESHOOTING
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