Omron SYSMAC CJ1W-EIP21 Operation Manual page 370

Checking Status with the Network Configurator
Error History Tab Page
Controller Error History
Tab Page
344
The Error History Tab Page displays the error log stored in the EtherNet/IP
Unit or built-in EtherNet/IP port. Errors that occurred in the past are recorded,
and can be cleared or saved in a computer file as required.
In some cases, error records are cleared when the power is turned OFF, and
in other cases the records are retained. For details on the error log, refer to
14-4 Error Log Function.
The error history of the CPU Unit for the EtherNet/IP Unit or built-in EtherNet/
IP port is displayed on this tab page. The error history shows errors that have
occurred. It can be cleared or saved in a file in the computer.
Section 14-1