Simple Troubleshooting - Furuno GP-7000F Operator's Manual

11.4

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 ...
11. MAINTENANCE & TROUBLESHOOTING
Then ...
Then ...
check that antenna connector is firmly fas-
tened.
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.
11-3