Furuno NX-700A/B manual Troubleshooting

3. MAINTENANCE & TROUBLESHOOTING

3.3Troubleshooting

This section provides simple troubleshooting procedures which the user can follow to restore normal operation. If you cannot restore normal operation do not attempt to check inside the unit. Any trouble should be referred to a qualified technician.

If . . .	then . . .
	-ask serviceman to replace the blown
you cannot turn on the power	fuse.
	-check battery for proper voltage
	output.
the equipment receives unwanted	confirm that Manual mode is chosen.
messages.	(See paragraph 2.6.)
	check equipment by the diagnostic
	test.
NAVTEX signal cannot be received.	check the broadcasting schedule.
	check that the D-sub connector is
	firmly fastened.
	check that the antenna cable is firmly
	fastened.
paper does not advance. (NX-700A only)	load paper correctly.
paper feeds but no recording. (NX-700A	check if correct thermal paper is being
only)	used.
paper has darkened. (NX-700A only)	keep the paper in a well-ventilated and
	cool place.
	check the setting of Printer on the
	System menu.
the recording is not proper for the external	check the printer cable.
	check that the power of printer is
printer. (NX-700B only)
	turned on.
	check that the printer is available.
	check that paper is set properly.

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