3. MAINTENANCE, TROUBLE- SHOOTING
14
3.3
Troubleshooting
The table below provides simple troubleshooting procedures to restore normal opera-
tion. If you cannot restore normal operation, contact your dealer for advice.
Trouble
Remedy
The radar type does not appear
on the multi function display de-
vice.
• Check if the Cable Assembly is connected to the
power source and the power source is on.
• Check the power cable for damage.
• Check if the fuse has blown.
• Check the voltage of ship’s main.
• Check the software version of the multi function
display device.
The radar type appears on the
multi function display device, but
the radar display does not appear
or transmission does not start.
Check the software version of multi function display
device.
The radar appears on the multi
function display device, but disap-
pears when the transmission
started or continue rebooting.
Check the power voltage is sufficient.
Transmission starts, but echoes
do not appear or weak echoes oc-
cur.
Check the settings of GAIN/SEA/RAIN.
Too much interference.
• Turn the interference rejector on.
• Turn the transmission on/off.
• Change the transmission channel.
Marks and characters appear on
the display, but echoes do not ap-
pear.
Check that the Cable Assembly is fastened.
You changed the range, but the
radar picture does not change.
• Try to zoom the radar display in or out.
• Turn the power off and on.
Signal strength is too low.
Have a technician check the radar.
