Furuno SC-120 manual Error messages con’t from previous, Batttery

4. MAINTENANCE, TROUBLESHOOTING

Error messages (con’t from previous page)

Error Message	Meaning	Remedy
BATTTERY!	Voltage of battery in display unit or	Open the Message Display to
	processor unit may be low.	see which battery’s voltage is
		low. Have a qualified technician
		replace the battery.
BATTERY ALM!(DISP)	Voltage of battery in display unit is	Have battery replaced at
	low.	earliest convenience.
BATTERY	Voltage of battery in processor	Have battery replaced at
ALM!(PRCSSR)	unit is low.	earliest convenience.
DATA ERR!	GPS data (from the GPS receiver	Check navigator.
	in the processor unit) is lost for
	one minute. Heading output is
	stopped and the heading
	indication shows “- - -“.
DGPS ERROR!	DGPS data (from the DGPS	Ship may not be within DPGS
	receiver in the processor unit) is	service area.
	lost for one minute.
GPS DATA ERROR!	GPS data (from the GPS receiver	Conduct diagnostic test and
	in the processor unit) is lost for	check if NG appears for results
	one minute. Heading output is	for GPS receivers GPS1, GPS2
	stopped and the heading	and GPS3.
	indication shows “- - -“.
GPS NO FIX!	No GPS data.	Check antenna cable.
HDG ERROR!	Heading error	Request service
NO HEADING OUTPUT!	GPS heading error continues for	Press any key to try to restore
	five minutes. In this case heading	normal operation.
	output is stopped and the heading
	indication shows “- - -“.
RAM ERROR!	RAM problem	Request service.
RATE ERROR!	Data output stopped.	Request service.
ROM ERROR!	ROM problem	Request service.

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