Furuno USA Inc 9ZWRTR115 Manual De Usuario

3.  MAINTENANCE, TROUBLE- SHOOTING

The table below provides simple troubleshooting procedures to restore normal opera-
tion. If you cannot restore normal operation, contact your dealer for advice.

The radar type does not appear 
on the multi function display de-
vice. 

•  Check if the power/Network cable 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 many interferences

•  Turn the interference rejector on.
•  Turn on/off the transmission.
•  Change the transmission channel.

Marks and characters appear on 
the display, but echoes do not ap-
pear. 

Check that the power/Network cable is fastened.

You changed the range, but the 
radar picture does not change. 

•  Try to zoom in or out the radar display.
•  Turn the power off and on.

Signal strength is too low. 

Have a technician check the radar.