Omron NT631C manual Erly referring to Replacing the Backlight, Menu

Responding to Displayed Error Messages		Section 7-2
Message	Cause	Remedy
[No Starting Screen]	No data is registered for either the	Either specify a screen number for which
Specified Starting Screen is not saved.	screen number set in the PT sta-	data is registered at the PT status control
	tus control area or the Initial	area, or set the screen as the Initial
Fix Screen Data using by the Support
	Screen set with the Support Tool.	Screen in the System settings under PT
Tool.
	Or the screen number which does	Configuration at the Support Tool.
Then set the PT to the TRANSMIT
	not exist are registered.
MODE and download Screen Data again.
[Touch Panel is disconnected]	The touch panel cable (film cable)	If this message appears after the backlight
	inside the NT631/NT631C is dis-	is replaced, reinstall the touch panel prop-
	connected.	erly referring to Replacing the Backlight
		(page 236). If the message keeps appear-
		ing, contact your OMRON service center.
[Memory Switch Corrupted]	The memory switches have been	Set the memory switches again using the
Because Memory Switch setting was	initialized due to discovery of an	System Menu and the System settings
	error in the memory switch set-	under PT Configuration at the Support
last. Initialized Memory Switch setting.
	tings.	Tool. (SECTION 6 System Menu Opera-
Press Confirm to return to the SYSTEM
		tion)
MENU.
		If the problem recurs, contact your
		OMRON service center.
[Calendar Data Error]	There is an error in the date/time	Check the battery voltage by checking the
Calendar Data is incorrect.	values due, for example, to low	color of the RUN LED and with the battery
	battery voltage.	check in the System Menu; if the voltage is
Set to the MAINTENANCE MODE and
		low, replace the battery with a new one.
set Calendar Data.
		(Checking the Battery Voltage, page 208,
		and 7-3-1 Replacing the Battery,
		page 241)
		If the battery voltage is confirmed to be
		normal, set the calendar clock correctly
		from the System Menu. (6-11-2 Display-
		ing/Setting the Calendar and Clock,
		page 191)
[Backup Data Error]	Initialization has been executed	Check the battery voltage by checking the
Memory table and History data was ini-	because of an error in the backup	color of the RUN LED and with the battery
	data area.	check in the System Menu; if the voltage is
tialized by backup failure.
		low, replace the battery with a new one.
It can be caused by lowered voltage of
		(Checking the Battery Voltage, page 208,
the battery.
		and 7-3-1 Replacing the Battery,
		page 241)
		The re-transmit the memory table data
		from the Support Tool.
		If the voltage is normal and the problem
		recurs, contact your OMRON service cen-
		ter.
[With memory switch setting screen]	Protocol settings for serial port A	Refer to Possible Combinations of Com-
Invalid Comm. Method	and serial port B are mismatched.	munications Method Settings on page 154
		and set the protocol of serial port A and
		serial port B so that their settings are
		matched.
		* Set serial port A to None when connect-
		ing the Support Tool and the host at the
		same time.

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