Mitsubishi Electric MELSEC-L Series - Page 282

280
C0B9
H
The open process of the TCP connection has not been
completed.
• Perform the open process.
• Check the operation of the connected device.
• After sending a close request (FIN) from the connected
device to the E71, perform the open process again and
wait for 500ms or more.
C0BA
H
Because the close process is in process using the CLOSE
instruction, a send request cannot be accepted.
• Perform the open process and send the request.
C0BB
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.
C0BC
H
The specified communication line is closed.
• Open the communication line.
• Correct the target connection number.
C0BD
H
Requests have been accepted successively and cannot be
sent.
• Check if requests have been sent successively without
waiting for a response.
C0BE
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.
C0BF
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.
C0C0
H
The open process of the UDP connection has not been
completed.
• Perform the open process.
• Check the operation of the connected device.
C0C1
H
The transmission interval of UDP is too short.
• Check if a send request is being repeatedly issued.
• Increase the send interval.
Error code Error description Action