Mitsubishi Electric MELSEC iQ-R-R6SFM - Page 707

APPX
Appendix 1 Error Codes
705
A
112EH Connection
establishment
failed
• A connection could not be
established in the open
processing.
Continue • Check the operation of the external
device.
• Check if the open processing has been
performed in the external device.
• Check and correct the port number of
the module, IP address/port number of
the external device, and opening
method.
• When the firewall is set in the external
device, check if the access is
permitted.
• Check if the Ethernet cable is
disconnected.
 Always
1133H Socket
communications
response send
error
• The response send failed during
socket communications.
Continue • Check the operation of the external
device or switching hub.
• Since there may be congestion of
packets on the line, send data after a
certain period of time.
• Check if the Ethernet communication
load is high because of the Ethernet
functions being executed. Use the
Ethernet functions so that the
communication load is reduced.
• Check if the connection cable is
disconnected.
• Check that there is no connection
failure with the switching hub.
 Always
1134H TCP connection
timeout
• A TCP ULP timeout error has
occurred in the TCP/IP
communication. (The external
device does not send an ACK
response.)
Continue • Check the operation of the external
device.
• Check and correct the TCP ULP
timeout value.
• Since there may be congestion of
packets on the line, send data after a
certain period of time.
• Check if the Ethernet communication
load is high because of the Ethernet
functions being executed. Use the
Ethernet functions so that the
communication load is reduced.
• Check if the connection cable is
disconnected.
 Always
1152H IP address error • The IP address is not set correctly. Continue • Correct the IP addresses. Parameter
information
Always
1155H Connection
number
acquisition error
• The specified connection was
already closed in TCP/IP
communications.
• Open processing is not
performed.
Continue • Perform the open processing for the
specified connection.
• Check if the open processing has been
performed in the external device.
 Always
1157H Receive buffer
securement
error
• The specified connection was
already closed in UDP/IP
communications.
• Open processing is not
performed.
Continue • Perform the open processing for the
specified connection.
• Check if the open processing has been
performed in the external device.
 Always
Error
code
Error name Error details and cause Stop/
continue
Action Detailed
information
Diagnostic
timing