Omron NT31 NT31C manual Error Probable Cause Remedial Action

Using a Memory Unit (-Vj Versions) Section 3-5

•The continuous buzzer sounds.

•The RUN LED flashes.

If a protect setting error occurs when executing manual transmission, it is pos- sible to return to the memory unit manual transmission screen by pressing the OK touch switch, but in the case of other errors, the status described above re- mains in effect until the NT31/NT31C power is turned OFF or reset.

When an error occurs, take remedial action by referring to the table below.

Error	Probable Cause	Remedial Action
Mode setting error	DIP switches SW1-1 to	Turn the NT31/NT31C power
	SW1-3 are all OFF, or	OFF, set the memory unit DIP
	more than one is ON.	switches correctly, then turn the
		NT31/NT31C power back ON.
Protect setting error	Writing to the data write	Turn the NT31/NT31C power
(automatic	destination has been	OFF, set the memory unit DIP
transmission)	prohibited by the setting	switches correctly, then turn the
	of SW2-1 or SW2-2.	NT31/NT31C power back ON.
Protect setting error	Writing to the data write	Perform either of the following
(manual	destination has been	procedures.
transmission)	prohibited by the setting	S Press the OK touch switch to re-
	of SW2-1 or SW2-2.	turn to the memory unit manual
		transmission screen, make the
		correct settings, then try again.
		S Turn the NT31/NT31C power
		OFF, correct the DIP switches
		settings of the memory unit, then
		turn the power back ON.
Flash memory error	An error occurred during	Turn the NT31/NT31C power
	initialization of the	OFF, then back ON. If the error
	NT31/NT31C or memory	recurs, the flash memory at the
	unit flash memory, or	write destination may be faulty. In
	during write processing.	this case, replace the unit.
Verify error	An error occurred during	Turn the NT31/NT31C power
	verification processing at	OFF, then back ON. If the error
	the flash memory of the	recurs, the flash memory at the
	NT31/NT31C or the	write destination may be faulty. In
	memory unit.	this case, replace the unit.
Transmitting data	An attempt is made to	Perform either of the following
error	transmit data other than	procedures.
(The automatic	a system program or the	S Turn the NT31/NT31C power
transmission only)	system program of a	OFF, correct the DIP switch set-
	different PC model into	tings of the memory unit, and
	the NT31/NT31C as the
		then turn the power back ON.
	system program.
		S Turn the NT31/NT31C power
	An attempt is made to
	write a system program	OFF, set the DIP switch settings
	into the NT31/NT31C as	to the manual transmission, and
	screen data.
		then check the data inside the
		memory unit.

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