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Possible causes
Transducer location
Transducer kicked-up
Damaged or fouled transducer
Damaged transducer cable
Turbulence around the transducer
at higher speeds may affect
transducer performance
Interference from another
transducer
Unit power supply fault
Resetting the sonar module
You can use the reset function on a compatible Raymarine multifunction display to restore the sonar
module to its factory default settings.
In the fishfinder application:
1. Select Menu.
2. Select Set-up.
3. Select Sounder Set-up.
4. Select Sonar Reset.
5. Select Yes to confirm or No to abort the operation, as appropriate.
The unit will now be reset to factory default settings.
System checks and troubleshooting
Possible solutions
• Check that the transducer has been installed in accordance
with the instructions provided with the transducer.
• If a transom mount transducer is mounted too high on
the transom it may be lifting out of the water, check that
the transducer face is fully submerged when planing and
turning.
If the transducer has a kick-up mechanism, check that it has
not kicked up due to hitting an object.
Check transducer condition, ensuring it is not damaged and is
free from debris/fouling. If necessary, clean or replace your
transducer.
After cleaning or replacement coat the transducer using a
water-based anti-fouling paint.
Check that the transducer cable and connection is free from
damage and that the connections are secure and free from
corrosion.
Slow vessel speed and recheck.
1.
Turn off the transducer causing the interference.
2. Reposition the transducers so they are farther apart.
Check the voltage from the power supply, if this is too low it
can affect the transmitting power of the unit.
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Table of Contents
Troubleshooting
