Omron CS1W-ETN21 operation manual Mail Not being Sent, A R T

Troubleshooting Procedures Section 8-4

Mail Not being Sent

S T A R T
Is the HOST indicator Y
lit?
N		Is the SMTP,
	Y		Y
Is the HOST indicator
		POP3, or
flashing?		DNS error status
		bit ON?

The mail transmission function cannot be used because no IP address or host name is set for the SMTP server.

Using the CX-Programmer, make the SMTP settings in the System Setup. If the host name is used for the server settings, then the DNS tab settings must be made too.

N N

		There is a mistake in the Unit Setup. Correct the mistake.
Is the ERH indicator	Y • The SMTP server address is wrong (set to 255.255.255.255
flashing?		or 127.*.*.*).
		• The SMTP server host name is wrong.
		• The local mail address is wrong.

N• The destination 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.

•If POP before SMTP is required for the SMTP server connection, SMTP (POP before SMTP) and POP must be set in the Unit Setup.

Is the user mail		There is a mistake in the Unit Setup. Correct the mistake.
	Y	• The SMTP server address is wrong (set to 0.0.0.0).
transmission status		• The mail transmission settings in the Unit Setup are wrong
"7"?		(not set).
N
		There is a mistake in the send conditions in the Unit Setup's
		mail transmission settings. Correct the mistake.
Is the user mail	Y	• The Mail Send Switch never turns ON after a start (power
		ON) or restart.
transmission status
"0"?		• The interval timer is not set, or is set to an interval longer
		than intended.
N		• The send conditions are not set.
Is the user mail	Y	Correct the communications path.
transmission status		• The SMTP server address is wrong.
"6"?		• The IP router table is wrong.
N		• There is a communications error or a mistake in the
		communications path settings.
Does destination	N	The mail address set in the Unit Setup is wrong. Correct the
		mistake.
mail address exist?
		Note: Set the destination mail address correctly. If it is incorrect,
		mail will stay at the SMTP server.
Y
Is required
	Y	Correct the information in the mail transmission settings in
information missing from		the Unit Setup.
the mail?
		• Make the settings for the required user data, error log
N		data, status data, and file attachments.
Did required
	Y	Clear the following errors.
mail content fail
to be obtained?		• If a user-created mail address is wrong, then correct it.
		• There may be too much of a load (traffic) at the Ethernet
N		Unit. Adjust the applications.
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