Sonar troubleshooting

Sonar disabled:

Enable Ping from the Fishfinder app’s sounder tab: Menu > Settings > Sounder > Ping enable.

Incorrect transducer selected:

Check that the correct transducer is selected in the Fishfinder app’s Transducer tab: Menu > Settings > Transducer .

Damaged cables:

1. Check that the transducer cable connector is fully inserted and locked in position.

2. Check the power supply cable and connectors for signs of damage or corrosion. Replace if necessary.

3. With the unit switched on, try flexing the cable near to the display connector to see if this causes the unit to re-start or lose power. Replace if necessary.

4. Check the vessel’s battery voltage, the condition of the battery terminals and power supply cables, ensuring that connections are secure, clean and free from corrosion. Replace if necessary.

5. With the product under load, using a multi-meter, check for high voltage drop across all connectors / fuses etc (this can cause the Fishfinder applications to stop scrolling or the unit to reset or switch off). Replace if necessary.

Damaged or fouled transducer:

Check transducer condition, ensuring it is not damaged and is free from debris / fouling. If necessary, clean or replace the transducer.

After cleaning or replacement, coat the transducer using a water-based anti-fouling paint.

Wrong transducer fitted:

Check product and transducer documentation, and ensure that the transducer is compatible with your system.

External sonar module: SeaTalk HS / RayNet network problem:

Check that the unit is correctly connected to the Display or network switch. Check all connections, ensuring connections are secure, clean and free from corrosion. Replace if necessary.

External sonar module: Software mismatch between equipment may prevent communication:

• Ensure that all Raymarine products are running the latest available software; check the website for the latest versions and software compatibility information: www.raymarine.com/software

Transducer location:

Check that the transducer has been installed in accordance with the instructions provided with the transducer.

Transducer angle:

If the transducer angle is too great, the beam can miss the bottom. Adjust transducer angle and re-check.

Transducer kicked-up:

If the transducer has a kick-up mechanism, check that it has not kicked up due to hitting an object.

Power source insufficient:

With the product under load, using a multi-meter, check the power supply voltage as close to the unit as possible, to establish actual voltage when the current is flowing. (Check your product’s Technical specification for power supply requirements.)

Damaged or fouled transducer:

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.

Damaged cables:

1. Check the unit’s connector for broken or bent pins.

2. Check that the cable connector is fully inserted into the unit, and that the locking collar is in the locked position.

3. Check the cable and connectors for signs of damage or corrosion. Replace if necessary.

4. With the unit switched on, try flexing the power cable near to the display connector, to see if this causes the unit to re-start or lose power. Replace if necessary.

5. Check the vessel’s battery voltage, the condition of the battery terminals and power supply cables, ensuring connections are secure, clean and free from corrosion, replace if necessary.

6. With the product under load, using a multi-meter, check for high voltage drop across all connectors/fuses etc (this can cause the Fishfinder applications to stop scrolling or the unit to reset/turn off), replace if necessary.

Vessel speed too high:

Slow vessel speed and re-check.

Bottom too shallow or too deep:

The bottom depth may be outside of the transducer’s depth range. Move vessel to shallower or deeper waters as relevant, and re-check.

Ping depth limit set:

If using a transducer with greater than 600 W power, check if the Ping depth limit has been enabled: Menu > Settings > Transducer > Ping depth limit.

If you are in water deeper than the specified Ping depth limit, the transducer may not provide depth readings.

Disable or adjust the setting, and then re-try.

Targets will appear differently if your vessel is stationary (e.g.: fish will appear on the display as straight lines):

Increase vessel speed.

Scrolling paused or speed set too low:

Un-pause or increase sonar scrolling speed.

Sensitivity settings may be inappropriate for present conditions:

Check and adjust sensitivity settings, or perform a Sonar reset.

Damaged cables:

1. Check the unit’s connector for broken or bent pins.

2. Check that the cable connector is fully inserted into the unit, and that the locking collar is in the locked position.

3. Check the cable and connectors for signs of damage or corrosion, replace if necessary.

4. With the product switched on, try flexing the cable near to the display connector to see if this causes the product to re-start or lose power. Replace if necessary.

5. Check the vessel’s battery voltage, the condition of the battery terminals and power supply cables, ensuring that connections are secure, clean and free from corrosion. Replace if necessary.

6. With the product under load, using a multi-meter, check for high voltage drop across all connectors / fuses etc (this can cause the Fishfinder applications to stop scrolling, or the unit to reset / switch off). Replace if necessary.

Transducer location:

• 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.

Transducer kicked-up:

If the transducer has a kick-up mechanism, check that it has not kicked up due to hitting an object.

Damaged or fouled transducer:

• Check transducer condition, ensuring it is not damaged and is free from debris / fouling. If necessary, clean or replace the transducer.

• After cleaning or replacement, coat the transducer using a water-based anti-fouling paint.

Damaged transducer cable:

Check that the transducer cable and connection is free from damage, and that the connections are secure and free from corrosion.

Turbulence around the transducer at higher speeds may affect transducer performance:

Slow vessel speed and re-check.

Interference from another transducer:

1. Switch off the transducer causing the interference.

2. Re-position the transducers so that they are farther apart.

Unit power supply fault:

Check the voltage from the power supply, if this is too low it can affect the transmitting power of the unit.