6.4 Sonar troubleshooting
Problems with the sonar and their possible causes and solutions are described here.
No transducer connected message displayed
Possible causes
Possible solutions
No transducer connected.
Connect a transducer and reboot the display.
Wrong transducer type selected
during initial start up wizard.
Try selecting a sonar channel:
1.
Press the
Menu
button.
2. Use the
Up
/
Down
buttons to highlight a sonar channel.
3.
Press the
OK
button.
If the message persists and there is a transducer connected
then there may be a transducer connection fault.
Damaged connectors/cabling
1.
Check that the transducer connector pins on the back of
the display are not bent or broken.
2. Check that the transducer cable connector is correctly
orientated and fully inserted into the display connector
and locked in position.
3.
Check the condition of the transducer cabling and
connectors for signs of damage or corrosion, and replace
if necessary.
Scrolling image is not being displayed or is intermittent
Possible causes
Possible solutions
Damaged connectors/cabling
1.
Check that the transducer connector pins on the back of
the display are not bent or broken.
2. Check that the transducer cable connector is correctly
orientated and fully inserted into the display connector
and locked in position.
3.
Check the condition of the transducer cabling and
connectors for signs of damage or corrosion, and replace
if necessary.
Transducer damaged or fouled
Check the condition of the transducer ensuring it is not
damaged and is free from debris/fouling, clean or replace as
necessary.
Incompatible transducer fitted.
Ensure the connected transducer is compatible with your
system.
No depth reading / lost bottom lock
Possible causes
Possible solutions
Transducer location
Check that the transducer has been installed in accordance
with the instructions that were provided with the transducer.
Transducer angle
If the transducer angle is too great the beam can miss the
bottom, adjust transducer angle and recheck.
Transducer kicked-up
If the transducer has a kick-up mechanism, check that it has
not kicked up due to hitting an object.
Transducer damaged or fouled
Check the condition of the transducer ensuring it is not
damaged and is free from debris/fouling, clean or replace as
necessary.
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