
W
EB
S
ERVER
CPU M
ODULE
U
SER
’
S
M
ANUAL
FC9Y-B1278
13-27
13: T
ROUBLESHOOTING
Troubleshooting Diagram 20
Troubleshooting Diagram 21
Note:
For details about the error code, see “Devices in EMAIL Instruction” on page 10-1 and “Confirm the error detail
of EMAIL instruction” on page 10-3.
Modbus master communication
request is slow.
Select to use request execution internal
relay and designate an internal relay
number.
Keep unnecessary internal relays turned
off and turn on internal relays only when
sending requests.
END
Is the EMAIL instruction
error code "7"?
The request for sending e-mail is received by the SMTP server but
the e-mail is not transferred.
The error code received from the SMTP server is stored in D8457.
Confirm the stored error code and consult with the administrator
of the SMTP server for details about the error code. (Note)
Is the EMAIL instruction
error code "0"?
E-mail is not sent.
NO
YES
YES
NO
The request to send e-mail is not
submitted to the SMTP server. Confirm
the error code detail. (Note)
The following two points should also be
checked.
1.Is the LAN cable properly connected?
2.Are the network settings correct?
The request for sending e-mail is received by the SMTP server
and the e-mail is transferred normally. If the recipients do not
receive the e-mail, e-mail settings of recipients should be
checked. Confirm the following points:
1. The configured e-mail addresses are incorrect.
2. The e-mail transfering at the recipient is not working when
the e-mail from the Web server CPU module is transferred to
other e-mail addresses.
3. The e-mail is filtered by the e-mail server of the recipients as
a junk e-mail or a spam e-mail.
4. The recipients filters the e-mail by specifying the allowed
domains.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]