M800/M80/E80/C80 Series Alarm/Parameter Manual
14 Multi CPU Errors (A) [C80]
A01
Socket comm. response send error
Details
The response send failed during socket communications.
Remedy
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 connection cable is disconnected.
Check that there is no connection failure with the switching hub.
A01
TCP connection timeout
Details
A TCP ULP timeout error has occurred in the TCP/IP communication. (The external device does not send
an ACK response.)
Remedy
Check the operation of the external device.
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 connection cable is disconnected.
A01
IP address error
Details
The IP address is not set correctly.
Remedy
Correct the IP addresses.
A01
Connection number acquisition error
Details
The specified connection was already closed in TCP/IP communications.
Open processing is not performed.
Remedy
Perform the open processing for the specified connection.
Check if the open processing has been performed in the external device.
A01
Receive buffer securement error
Details
The specified connection was already closed in UDP/IP communications.
Open processing is not performed.
Remedy
Perform the open processing for the specified connection.
Check if the open processing has been performed in the external device.
A01
UDP/IP send failed
Details
Data was not sent correctly with UDP/IP.
Remedy
Check the settings for connection with the external device.
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 connection cable is disconnected.
Check that there is no connection failure with the switching hub.
Execute the PING test, and if the test was completed with an error, take the corrective action.
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1157
1165
IB-1501279-H