Mitsubishi Electric MELSEC-L Series - Page 295

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CHAPTER 16 TROUBLESHOOTING
16
16.7 Error Code List 16.7.3 Error codes stored in the buffer memory
C13C
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.
C140
H
The POP3 server could not be opened.
• Check that the port number of the POP3 server is 110.
(The port number of the Ethernet module is fixed to 110.)
• Check if communications with the POP3 server can be
performed using the PING command.
C141
H
Communications cannot be performed with the POP3
server. (Error response)
• Check if the POP3 server is busy.
C142
H
Communications cannot be performed with the POP3
server. (Abort)
• Check if the POP3 server is busy.
C143
H
Communications cannot be performed with the POP3
server. (Reset response)
• Check if the POP3 server is busy.
C144
H
A response from the POP3 server could not be received.
• Check for an error in the POP3 server.
• Check if the network is heavily loaded.
C145
H
Forcefully disconnected from the POP3 server • Check for an error in the POP3 server.
C146
H
The POP3 server could not be closed.
• Check for an error in the POP3 server.
• Check if the network is heavily loaded.
C147
H
Closing the POP3 server gave an error response. • Check for an error in the POP3 server.
C150
H
POP3 server verification error • Check the status of the POP3 server.
C151
H
The Ethernet module's mail address (e-mail setting
parameter) is different from the account name in the
mailbox on the server side.
• Check the account name of the mailbox on the server side
and correct the account of the mailbox set in the Ethernet
module.
C152
H
The Ethernet module's password (e-mail setting
parameter) is different from the password on the server
side.
• Check the password on the server side and correct the
password of the Ethernet module.
C153
H
An error has occurred in acquisition of the received mail
list. (The list of the mail that arrived at the POP3 server
failed to be acquired.)
• Reset the server inquiry time to the default value and
restart the CPU module of the own station.
C154
H
An error has occurred upon receiving a mail. (An e-mail
cannot be read from the POP3 server.)
• Check that the e-mail is not compressed or encrypted.
• Check if the e-mail specifications, such as the
encoding/decoding style and file format, on the sending
side are the same as those for the Ethernet module.
C160
H
A response was received from the DNS server after
timeout.
• Check if the network is heavily loaded.
• Check the status of the DNS server.
C161
H
A response from the DNS server could not be received.
• Check if the network is heavily loaded.
• Check the status of the DNS server.
Error code Error description Action