Error Messages - Furuno NAVNET 1722 Operator's Manual

7. MAINTENANCE, TROUBLESHOOTING
7.8

Error Messages

In addition to alarm message your equipment also displays equipment status
menus.
Error Message
Connection with the ETR was
cut.
Connection with the RADAR
was cut.
Low Voltage! Internal Battery
No bearing pulse detected.
No GPS fix!
Heading data missing!
No heading pulse detected.
No GPS position!
7-14
Equipment status error messages
Meaning
Network sounder disconnected.
Radar disconnected.
Voltage of battery on circuit
board in display unit is low.
No bearing pulse from radar
antenna.
GPS navigator is turned off or
no GPS position data.
No heading pulse
An error may occur on
GP-310B/320B.
Remedy
Check that display unit where the
sounder is connected is turned
on.
Check network sounder's
cabling.
Check that display unit where the
radar is connected is turned on.
Check antenna cable.
Have a qualified technician
replace the battery.
Check antenna cable.
Check GPS navigator.
Check heading connector.
Check heading sensor.
Disconnect GPS cable from
the display unit, and contact
with your dealer.