Error Codes Stored In The Buffer Memory - Mitsubishi Electric MELSEC-L SERIES Basic User Manual

16.7.3

Error codes stored in the buffer memory

The following table lists the error codes stored in each buffer memory area when an error occurs. For the buffer
memory areas where these error codes are stored, refer to the descriptions of the corresponding buffer memory area.
( Page 35, Section 3.5.2)
Error code
00
H
02
H
0050
H
0051
H
0052
H
The error details and how to troubleshoot the problem are the same as those for the end code returned to the connected
0054
H
device in data communications. (
0055
H
0056
H
0057
H
0058
H
0059
H
• The CPU module and the Ethernet module cannot
communicate.
005B
H
• The programmable controller CPU cannot process the
request from the connected device.
• The communication time between the CPU module and
0060
the Ethernet module exceeded the CPU monitoring timer
H
value.
• In communications using a fixed buffer, the remote
0063
password of the port for the destination Ethernet module
H
is in the lock status.
This request cannot be specified in connection with the
00A0
H
connected device.
Contents of the request cannot be analyzed because the
00A1
H
text length or request data length is too short.
00A2
This request cannot be processed.
H
3E8 to
H
(Errors detected by a programmable controller CPU)
4FFF
H
7000 to
(Errors detected by a module such as a serial
H
7FFF communication module)
H
B000 to
H
(Errors detected by a CC-Link module)
BFFF
H
• The IP address setting value of the E71 for the initial
process is incorrect.
C001
H
• The setting value of the subnet mask field for the router
relay function is incorrect.
Some of the various timer setting values for the initial
C002
H
process are outside the allowable range.
The setting value of the auto-open UDP port number for
C003
H
the initial process is outside the allowable range.
Error description
Page 268, Section 16.7.1)
CHAPTER 16 TROUBLESHOOTING
Action
• Check the error code appended to the end code and
correct the error.
• Increase the CPU monitoring timer value.
• After unlocking the remote password using the MC
protocol, perform communications using a fixed buffer.
• Exclude ports used for communications using a fixed
buffer from the targets of the remote password check.
• Correct the request details.
• Correct the open setting.
• Check and correct the text length or request data length of
the Qn header. Then send data to the Ethernet module
again.
• Correct the request details and command.
• Refer to the troubleshooting section of the user's manual
(hardware design, maintenance and inspection) for the
CPU module used, and take corrective action.
• Refer to a manual such as a serial communication module
user's manual, and take corrective action.
• Refer to the CC-Link System Master/Local Module User's
Manual, and take corrective action.
• Correct the IP address. Set the class to A/B/C.
• Correct the subnet mask.
• Check and correct each timer setting value for the initial
process.
• Check and correct the auto-open UDP port number.
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