Mitsubishi Melsec-L Series User Manual page 235

Error
Error description
code
An error has occurred upon receiving a mail. (An e-mail
C154
H
cannot be read from the POP3 server.)
A response was received from the DNS server after
C160
H
timeout.
C161
A response from the DNS server could not be received.
H
C162
System error (The OS detected an error.)
H
C163
System error (The OS detected an error.)
H
C171
An error was returned from the DNS server.
H
C172
An error was returned from the DNS server.
H
C173
An error was returned from the DNS server.
H
C174
An error was returned from the DNS server.
H
C175
An error was returned from the DNS server.
H
Action
• 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.
• Check if the network is heavily loaded.
• Check the status of the DNS server.
• Check if the network is heavily loaded.
• Check the status of the DNS server.
• 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.
• 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.
• Check if the IP address of the DNS server is correct.
• Check if the mail server names (SMTP server names and POP
server names) are correct.
• Check with the network administrator if the DNS function of the
server specified in the DNS setting is properly operating.
• Check if the IP address of the DNS server is correct.
• Check if the mail server names (SMTP server names and POP
server names) are correct.
• Check with the network administrator if the DNS function of the
server specified in the DNS setting is properly operating.
• Check if the IP address of the DNS server is correct.
• Check if the mail server names (SMTP server names and POP
server names) are correct.
• Check with the network administrator if the DNS function of the
server specified in the DNS setting is properly operating.
• Check if the IP address of the DNS server is correct.
• Check if the mail server names (SMTP server names and POP
server names) are correct.
• Check with the network administrator if the DNS function of the
server specified in the DNS setting is properly operating.
• Check if the IP address of the DNS server is correct.
• Check if the mail server names (SMTP server names and POP
server names) are correct.
• Check with the network administrator if the DNS function of the
server specified in the DNS setting is properly operating.
CHAPTER 14 TROUBLESHOOTING
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