Furuno SC-60 Operator's Manual page 66

4. MAINTENANCE, TROUBLESHOOTING
Error Message
BATTTERY!
BATTERY ALM!(DISP)
BATTERY
ALM!(PRCSSR)
DATA ERR!
DGPS ERROR!
GPS DATA ERROR!
GPS NO FIX!
HDG ERROR!
NO HEADING OUTPUT!
RAM ERROR!
RATE ERROR!
ROM ERROR!
4-8
Error messages (con't from previous page)
Meaning
Voltage of battery in display unit or
processor unit may be low.
Voltage of battery in display unit is
low.
Voltage of battery in processor
unit is low.
GPS data (from the GPS receiver
in the processor unit) is lost for
one minute. Heading output is
stopped and the heading
indication shows "- - -".
DGPS data (from the DGPS
receiver in the processor unit) is
lost for one minute.
GPS data (from the GPS receiver
in the processor unit) is lost for
one minute. Heading output is
stopped and the heading
indication shows "- - -".
No GPS data.
Heading error
GPS heading error continues for
five minutes. In this case heading
output is stopped and the heading
indication shows "- - -".
RAM problem
Data output stopped.
ROM problem
Remedy
Open the Message Display to
see which battery's voltage is
low. Have a qualified technician
replace the battery.
Have battery replaced at
earliest convenience.
Have battery replaced at
earliest convenience.
Check navigator.
Ship may not be within DPGS
service area.
Conduct diagnostic test and
check if NG appears for results
for GPS receivers GPS1, GPS2
and GPS3.
Check antenna cable.
Request service.
Press any key to try to restore
normal operation.
Request service.
Request service.
Request service.