Specifications

I Alarms
System Alarms (Z)
I - 38
5. System Alarms (Z)
Z02 System error
Details
The operation result is illegal.
Remedy
- Contact the service center.
Z31 Socket open error(socket) 0001
Details
Socket open error (socket)
Remedy
Set the parameter then turn the power OFF and ON again.
Z31 Socket bind error(bind) 0002
Details
Socket bind error (bind)
Remedy
Set the parameter then turn the power OFF and ON again.
Z31 Connection wait queue error(listen) 0003
Details
Connection wait queue error (listen)
Remedy
Set the parameter then turn the power OFF and ON again.
Z31 Connection request error(accept) 0004
Details
Connection request error (accept)
Z31 Data recv error(socket error) 0005
Details
Data receive error (socket error)
Z31 Data recv error(data error) 0006
Details
Data receive error (data error)
Z31 Data send error(socket error) 0007
Details
Data send error (socket error)
Z31 Data send error(data error) 0008
Details
Data send error (data error)
Z31 Socket close error(close) 000A
Details
Socket close error (close)
Remedy
Set the parameter then turn the power OFF and ON again.
Z34 DeviceNet error
Details
Any of the following errors has occurred in the DeviceNet unit.
- Master function error (X03 is ON)
- Slave function error (X08 is ON)
- Message communication error (X05 is ON)
If the errors have occurred in more than one unit, the error No. of the unit with the smallest slot
No. is displayed.
If the master function, slave function and message communication errors have occurred at the
same time, the error is displayed in the following priority order.
1. Master function error
2. Slave function error
3. Message communication error
Remedy
- Select the [Ext. PLC link control] menu on the maintenance screen to open the unit confir-
mation screen, and check the unit in error and details to cancel the error.
For the details of the DeviceNet unit errors, refer to "External PLC Link II (Bus connection)
MELSEC-Q Series Appendix 2 (DeviceNet)"BNP-C3039-276 (Appendix 2).
Z35 Direct Socket connection error 0001
Details
- Connection has failed.
- Five or more clients attempted a connection.
Remedy
- Check the connection of the network cables, and check for broken wires and a failure of the
network connection devices such as hub.
- When using the Direct Socket communication I/F, connect up to four clients.
Z35 Direct Socket receive error 0002
Details
- Receiving data from a client has failed.
Remedy
- Check the connection of the network cables, and check for broken wires and a failure of the
network connection devices such as hub.
Z35 Direct Socket send error 0003
Details
- Sending data to a client has failed.
Remedy
- Check the connection of the network cables, and check for broken wires and a failure of the
network connection devices such as hub.