Mail not being received – Omron CS1W-ETN21 User Manual

Page 246

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221

Troubleshooting Procedures

Section 8-4

Mail Not being Received

S T A R T

N

Y

Is the ERH indicator

flashing?

Y

N

Y

N

N

Is the HOST indicator

lit?

Are there responses

to remote mail commands?

Y

Is the user mail

transmission status

"0"?

Y

N

The mail reception function (and response mail transmission)
cannot be used because no IP address or host name is set for
the POP3/SMTP server.
Using the CX-Programmer, make the SMTP and POP settings
in the System Setup. If the host name is used for the server
settings, then the DNS tab settings must be made too.

Is the HOST indicator

flashing?

Y

There is a mistake in the Unit Setup. Correct the mistake.

The SMTP server address is wrong (set to 255.255.255.255

or 127.*.*.*).

The SMTP server host name is wrong.

The local mail address is wrong.

Referring to the error log, correct the communications path.

The SMTP server address is wrong.

The IP router table is wrong.

There is a communications error or a mistake in the

communications path settings.

The POP3 server and account information (user name,

password, mail address) do not match.

Correct the communications path.

Are the mailer settings correct?

Are the settings correct for the POP3 and SMTP servers in

the communications path?

Are the Unit Setup and the mail addresses set for the

servers correct?

Are the destination mail addresses for remote mail

commands correct?

Has the network administrator set protection for mail

addresses as a firewall?

From the response code (response status), refer to the section
on receiving mail in the

Operation Manual, Construction of

Applications and remove the cause of the error.

E

N

D

N

Is the SMTP,

POP3, or

DNS error status

bit ON?

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