Simple Troubleshooting - Furuno GP-7000 Operator's Manual

10.4

Simple Troubleshooting

This section provides simple troubleshooting procedures which the user can
follow to restore normal operation. If you cannot restore normal operation do not
attempt to check inside the unit. Any trouble should be referred to a qualified
technician.
you cannot turn on the power
no picture appears
there is no response when a
key is pressed
the picture goes off suddenly*
*: When turning off and on again the breaker, press the [POWER/BRILL] key to
power on the equipment.
position is not fixed within 90 seconds
position is wrong
the track is not plotted
bearing is wrong
the ship's speed indication is not zero
after the ship is stopped
General troubleshooting
If ...
check for blown fuse.
check that the power connector is firmly
fastened.
check for damaged power cable.
check battery for proper voltage output.
press the [POWER/BRILL] key a little harder.
press the [POWER/BRILL] key and then rotate
the [ENTER] knob.
turn off and on the power.
press the [POWER/BRILL] key to turn the power
on.
Plotter troubleshooting
If ...
10. MAINTENANCE & TROUBLESHOOTING
Then ...
Then ...
check that antenna connector is firmly
fastened.
check number of satellites received, on
the GPS STATUS display.
enter position offset, on the
ADVANCED menu.
check that On is selected at TRACK in
the PLOTTER menu.
check that On is selected at VISIBLE in
the PLOTTER menu.
check the VARIATION in the
ADVANCED menu.
try to decrease SPEED FILTER in the
ADVANCED menu.
10-3