Mitsubishi Electric MELSEC-L SERIES Basic User Manual page 298

Error code
C17F
An error was returned from the DNS server.
H
The device specified in "Condition Device" in "News
C180
Setting" is outside the range set in the [Device] tab of the
H
PLC parameter window.
C1A0
An illegal request was made.
H
C1A2
A response to the request could not be received.
H
C1A4
A request or subrequest is incorrect.
H
C1A5
The specified target station or clear target is incorrect.
H
C1A6
The specified connection number is incorrect.
H
C1A7
The specified network number is incorrect.
H
C1A8
The specified station number is incorrect.
H
C1A9
The specified device number is incorrect.
H
C1AA
The specified device name is incorrect.
H
C1AC
The specified number of resends is incorrect.
H
C1AD
The specified data length is incorrect.
H
The send/receive data length and header length are
C1AE
H
incorrect.
C1AF
The specified port number is incorrect.
H
The open process of the specified connection has been
C1B0
H
already completed.
The open process of the specified connection has not been
C1B1
H
completed.
The OPEN or CLOSE instruction is being executed in the
C1B2
H
specified connection.
Another send or receive instruction is being executed in
C1B3
H
the specified channel.
C1B4
The specified arrival monitoring time is incorrect.
H
Data could not be received within the specified arrival
C1B5
H
monitoring time.
C1B6
The specified send mail address number is incorrect.
H
A reading operation was executed while no receiving e-
C1B7
H
mail was stored in the mail buffer data area.
The RECV instruction was executed for the channel that
C1B8
H
had not received data.
296
Error description Action
• 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.
Correct the device settings in the PLC parameter window
and specify the condition devices within the range of the
device settings.
Try again.
If the same error occurs, the Ethernet module may have a
hardware error. Please consult your local Mitsubishi
representative.
• Check and correct the response waiting time.
• Correct the request and subrequest.
• Correct the specified target station or clear target.
• Specify the connection number within the range of 1 to 16.
• Do not select the connection number 8 or 16 when using
the pairing open method.
• Correct the specified network number.
• Correct the specified station number.
• Correct the specified device number.
• Correct the specified device name.
• Correct the number of resends.
• Correct the specified data length.
• Correct the specified send/receive data length and header
length to values within the allowable ranges.
• The send/receive data length needs to be equal to or
longer than the header length.
• Correct the specified port number.
• Perform the close process before the open process.
• Perform the open process.
• Try again after the OPEN or CLOSE instruction is
completed.
• Change the channel number.
• Try again after the send or receive instruction is
completed.
• Set the arrival monitoring time to a value within the
allowable range.
• Correct the specified arrival monitoring time.
• Correct the specified send mail address number.
• Correct the send mail address setting in the parameter
setting.
• If there is an mail received in the mail information, execute
the MRECV instruction.
• Correct the execution condition of the RECV instruction.
• Correct the channel number.