Omron NT631C manual 206

System Maintenance Section 6-11

Check the screen data memory by following the menu operation from the Sys- tem Menu shown below.

Ver 4.12

Select Maintenance Mode.

Select I/O Check.

Select Device Check.

Select Screen Memory.

Press Execute.

•During the check, the message Checking Now... is displayed.

•On normal completion of the check, the message Memory Check OK is displayed.

•If an error is discovered in the check, the message Memory Check NG is displayed.

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