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MELSEC-F
TROUBLESHOOTING11
11 - 28
Error code
(abnormal
code)
Description of error Error handling
Storage destination
Initial
Open
Fixed
sending
Connection
Error code
E-mail log
BFM#
105
BFM#
124
BFM#
125
BFM#
126
BFM#
229
BFM#
23361
C160
H
Received a response from the DNS server after
timeout.
• Check whether or not there is too much load
on the network.
• Check the status of the DNS server.
C161
H
Could not receive a response from the DNS
server.
C162
H
An error is returned from DNS server.
• Check if the DNS server's IP address setting
is correct or not.
• Check if the mail server name setting (SMTP
server name, POP server name) is correct or
not.
• Check with the network administrator or
similar person that the DNS function of the
server set in the DNS setting" is being
performed.
C163
H
C171H
to
C17F
H
C180H
Multiple instructions for e-mail sending
• Mail sending instruction was issued while
sending a mail.
• Issue the instruction for sending a mail after
checking the mail send status.
C1A0
H An illegal request was made.
• Execute again.
If the same error occurs, the Ethernet
module's hardware may be faulty.
Consult your nearest branch office or dealer
with the details of the errors.
C1A2
H A response to a request could not be received. • Review and correct the response wait time.
C1A5
H
The designation of the target station or clear
target were incorrect.
• Correct the designated value of the target
station or clear target.
C1A6
H Incorrect connection number was designated.
• Designate the connection number within the
range of 1 to 4.
C1A7
H Incorrect network number was designated.
• Correct the designated value of the network
number.
C1AC
H Incorrect resent count was designated.
• Correct the designated value of the resent
count.
C1AD
H Incorrect data length was designated.
• Correct the designated value of the data
length.
C1AE
H
Incorrect mail sending data length and header
length were designated.
• Correct the designated values of sending
data length and header length.
• Sending data length should be equal or
longer than the header length.
C1AF
H Incorrect port number was designated.
• Correct the designated value of the port
number.
C1B0
H
The open processing of the designated
connection is already completed.
• Execute the open processing after executing
the close processing.
C1B1
H
The open processing of the designated
connection has not been completed.
• Execute the open processing.
C1B2
H
The OPEN/CLOSE instruction is being
executed in the designated connection.
• Execute after the OPEN/CLOSE instruction
is completed.
C1B3
H
Another sending/receiving instruction is being
executed on the designated channel.
• Change the channel number.
• Execute after the sending/receiving
instruction is completed.
C1B6
H
Incorrect mail destination number was
designated.
• Review the designated value of the mail
designation number.
• Review the sending mail address setting
parameter.
C203
H
System error
• The OS detected any error.
(*1)
C206
H
System error
• The OS detected any error.
(*1)