Omron NT31 NT31C manual Errors in the System Installer Mode and Their Remedies

Responding to Displayed Error MessagesSection 7-2

7-2-4 Errors in the System Installer Mode and Their Remedies

This section describes the errors that may occur in the System Installer mode of the NT31/NT31C, and the remedies for these errors.

Message		Cause	Remedy
System Program not exist or	-	The system program has not	Select Download System Program and
incorrect.		been installed.	download the system program (6-5-2
	-	The system program has been	Clearing/Installing the System Program, page
			151).
		deleted due to a hardware
		fault, or because the flash	If this does not solve the problem, contact your
		memory (memory for storing	OMRON service center.
		the system program) has
		reached its life.
Unable to erase System	Hardware fault, or flash memory		If the same message is displayed on repeating
Program.	(memory for storing the system		selection of Download System Program and
	program) has reached its life.		attempting to delete the system program several
			times, contact your OMRON service center
			(6-5-2 Clearing/Installing the System Program,
			page 151).
Unable to download System	-	A communication error	Select Download System Program and
Program.		occurred during downloading	download the system program again (6-5-2
		of the system program.	Clearing/Installing the System Program, page
	-	Illegal data has been written	151).
		into the screen data memory.	Also refer to 7-2-3 Errors Occurring on Screen
	-	Hardware fault, or flash	Data Initialization and Transmission (page 238),
			and take the corrective action described for tool
		memory (memory for storing
			transmission errors.
		the system program) has
		reached its life.	If this does not solve the problem, contact your
			OMRON service center.
Unable to write System Settings.	Hardware fault, or flash memory		If the same message is displayed on repeating
	(memory for storing the system		writing of system settings several times, contact
	program) has reached its life.		your OMRON service center.
			If writing is normally terminated after the error
			message was once displayed, the Memory
			Switch setting for system program may have
			been altered. In such a case, check and re-set
			the setting in the Memory Switch menu of the
			Maintenance mode.
Unable to erase Screen Data.	Hardware fault, or flash memory		If the same message is displayed on repeating
	(memory for storing the system		screen data deletion several times, contact your
	program) has reached its life.		OMRON service center.

7-2-5 Communication Errors and Their Remedies

Operation When a

Communication Error

Occurs

This section describes the errors relating to communication that can occur dur- ing operation, and their remedies.

When a communication error occurs, the error message is displayed at the NT31/NT31C, and the buzzer sounds, provided the setting made for Buzzer Sound in the System Menu is other than OFF. An error message is displayed provided the setting for the Comm. Auto-Return memory switch is not ON (note that some error messages are displayed even if the setting is ON).

Operation When

Communication Errors

Occur

Display of Communication Errors

When an error message is displayed, press the OK touch switch displayed on the screen. The NT31/NT31C will return to the screen that was displayed before the error occurred, and operation will restart.

For communication errors, the name of the port at which the error occurred, the error classification (send or receive error), the details of the error, the probable cause, and the remedy, are displayed as shown below.

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