Furuno GP-3300, GD-3300 manual Troubleshooting Table, 12-10

12.7 Troubleshooting Table

The section provides a troubleshooting table which the user can fol- low to identify and resolve operating problems. In most cases the

cause of operating problems is simple; wrong key pressed, loosened
connection, etc.
Table 12-2 Troubleshooting table
If...	Then...
Plotter Section (GD-3300/GP-3300)
you cannot turn on the power	• check for blown fuse.
	• have a service technician measure voltage at power
	connector to confirm if it is within specified rating.
	• the power cable may be too thin; you may not be
	able to turn on the power because of large power loss
	(12 V set).
when turning on the power the self test	• check for NG display.
results are not cleared after several	• press any key to try to restore normal operation. If
seconds	that doesn’t work, call for service.
nothing appears on the display	• try to adjust screen brilliance.
	• the unit may be operating in the economy mode.
	Press any key to cancel the economy mode.
own ship marker blinks fastly	• there is no navigation input. Check navigation device
	(external) and navigation aid selection on MENU 8.
asterisks appear instead of ship’s position	• the navigation device (external) may be off.
	• check for loosened connection on navigator (external).
	• check navigation aid selection for error.
old track is erased	• the track memory is full. Save track to a memory card
	and then delete it from the display (MENU 72), or
	delete unnecessary track.
you erased old track but old track is still	• you erased a mid section of the track.
being erased

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