Furuno FCR-2119-BB Operation Manual page 478

25. MAINTENANCE AND TROUBLESHOOTING
If...
key doesn't beep when operat-
ed
picture not updated or picture
freezes.
picture does not change even
though range is changed.
only two index lines are dis-
played
range rings are not displayed
tracked target is not tracked
correctly
sensitivity is poor
If...
message "No connec-
tion to dongle" appears
the message "There is
no dongle or an error
has occurred in the
dongle. The system will
automatically shut
down." appears
monitored route is not
displayed
planned route is not
displayed
route monitoring is
stopped
symbol of user chart
cannot be erased
25-6
then...
• key beep is turned off.
• If the picture freezes, the
buzzer sounds and the Sta-
tus LED blinks in red.
• suspect faulty the RANGE
key or video freeze.
• check index line distance set-
ting.
• range rings are hid.
• sea clutter etc. are masking
tracked target.
• suspect second-trace echo
or soiled radiator.
Chart troubleshooting
then...
• dongle is not connected.
• dongle is not connected.
• data in the dongle is corrupted.
• route has not been selected.
• monitor route has not been se-
lected to be visible above the
chart.
• route has not been selected.
• planned route has not been se-
lected to be visible above the
chart.
• Alert 691 (ALF format:
10800,1): RM Stop - Exceed
Max XTE. Own ship is too far
away from the route.
• Alert 692 (ALF format:
10800,3): RM Stop - No Valid
Sensor Data. Chart radar inter-
nal error.
• Alert 693 (ALF format:
10800,2): RM Stop - Other
Causes. Required data (posi-
tion, SOG/COG) not found.
• two or more symbols may be
superimposed on each other.
Remedy
• Turn on key beep from the
menu, referring to
section 22.8.
• Restart the equipment.
• Hit the RANGE key several
times. If nothing happens, re-
start the equipment.
• Refer to section 2.22.3 for
how to adjust index line dis-
tance.
• Turn on the range rings.
• Adjust A/C SEA and A/C
RAIN to suppress sea and
rain clutters.
• Reject second-trace echo;
clean radiator.
Remedy
• Connect dongle.
• Connect dongle.
• Contact FURUNO for assistance.
• Select route to monitor.
• Open the [Route] page of the
[Symbol Display] menu and check
the monitored route parts to show.
• Select route as "planned".
• Open [Route] page of [Symbol Dis-
play] menu and check the planned
route parts to show.
• Steer the ship back to the route
then restart route monitoring.
• Request service.
• Check sensor connections.
• Do the delete action several times.