Manual > Reference > Error Codes

Error codes can be broadly divided into two categories.

•Number 1000
This is a non-communication error. There may be a problem with the program or settings.

•1001 and onwards
Communication error. There may be a problem with the address settings or the communication environment, not with the program.

For details about the error, check the ErrMessage property or the Message argument of the ErrorOccured event.

code	explanation
1000	These are non-communication errors, mainly caused by program or setting errors.
1001	A problem occurred during connection. This occurs when a connection to PLC cannot be established for some reason. Please check the connection parameters and the status of PLC again.
1002	The tag parameter is incorrect. Please check your tag settings.
1003	Occurs when a communication attempt is unsuccessful.
1004	The communication attempt timed out. Please check your communication environment.
1005	A corrupted packet was received. For Ethernet connections, please increase the timeout.
1006	An error code was returned from PLC. Please refer to the error message for more information.
1007	A busy response was returned from the other end.
1008	Canceling a communication request will terminate the communication request.
1009	Not enough memory.