Furuno 520, 511, 611 manual Error Messages, Error messages, Meaning, Remedy

6.MAINTENANCE & TROUBLESHOOTING

6.5Error Messages

In addition to alarm messages your equipment displays error messages to alert you of potential equipment trouble.

Error messages

Error message	Meaning		Remedy
	Communication between the control	Check	the	interconnection
COMMUNICATION ERROR	unit and the processor unit is	cable	between control unit
	interrupted for more than two
		and processor unit.
	seconds.
A SUDDEN POWER FAILURE	Power supply was interrupted for	Press any key on the control
HAS OCCURRED.	more than two seconds.	unit.
	The rudder angle sent from the	Check the rudder reference
RUDDER ANGLE ERROR		unit, rudder angle and its
	rudder reference unit exceeded 55°.
		connection.
	The rudder did not move more than	Check the hydraulic system.
RUDDER DRIVE ERROR	3° over 10 seconds after rudder	After the solving problem, do
	command.	the rudder test.
DRIVE UNIT ERROR. PLEASE	Current of more than 50 A was
TURN OFF AND CHECK DRIVE	detected on the drive circuit without	Check the drive circuit.
CIRCUIT.	rudder command.
DRIVE UNIT IS OVERLOADED.
PLEASE TURN OFF AND	Overcurrent was detected.	Check the drive circuit.
CHECK DRIVE CIRCUIT.
DRIVE UNIT IS OVERHEATED.	80°C temperature in drive unit was	Check the drive unit system.
	detected.
BYPASS/CLUTCH IS	Current of more than 5 A was
OVERLOADED.	detected on the bypass/clutch	Check	the	bypass/clutch
	circuit.
		circuit.
DISCONNECT B/C	No current on the bypass/clutch
	circuit.
FU REMOTE CONTROLLER	Command from the FU remote	Check the remote controller
ERROR	controller exceeded 55°.	connection.
MISSING HEADING DATA	The heading data from the heading	Check	the	heading sensor
	sensor is missing for 600 ms.	and interconnection cable..
HEADING DATA ERROR	Heading data with error flag was	Check the heading sensor.
	detected three times continuously.
	The navigational data has been
MISSING NAV DATA	interrupted for more than 15	Check the navigator.
	seconds.
DEGRADATION OF NAV DATA	The navigation data was	Check the navigator settings.
QUALITY	incomplete.
PARAMETER ERROR OF NAV	The navigation data included an
MODE	error flag.
		Continued on next page.

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