3. MAINTENANCE, TROUBLESHOOTING
3-3
3
3.4 Troubleshooting
The table below provides basic troubleshooting procedures which the user may follow
to restore normal operation.
Troubleshooting table
If... then check...
The power does not turn on • the power/data cable is securely connected and not damaged.
If damaged, replace the cable.
• the battery voltage is within its rated range.
• the fuse. Replace with the specified fuse if necessary.
There is no response when the
key is pressed
• Reboot the system. If there is still no response, contact your lo-
cal dealer.
the screen is blank
• Press the [ /BRILL] key twice and adjust the brilliance setting.
no echo appears but the fixed
range scale appears
• if the picture advance speed is set to [Stop] (see section 1.11).
• if scroll-back mode is enabled (see section 1.16).
• If the [External KP] is set to “On“ (see page 2-9) and if the trans-
mission of external sounder is set to “Off“.
• if the transducer plug is loosened. Fasten if necessary.
• if the transducer cable is damaged. Replace if necessary.
echo appears but zero line
does not
• if the range shifting is set to "0" (see section 1.10).
• if the zero line rejection is “Off” (see page 7).
• the draft setting; Should be other than “0”.
sensitivity is low • the gain setting. Adjust the gain higher (see section 1.7).
• if air bubbles or marine life are clinging to the transducer face.
• for dirty water or if the bottom is too soft to return an echo.
there is extreme interference or
noise
• if the transducer is too close to the engine. Contact your local
dealer for advice.
• if the unit is properly grounded. Replace if necessary.
• if other echo sounders of the same frequency as own are being
operated nearby.
the depth indication is not
shown
• the range (see section 1.6). Set the range so that the seabed
echoes appear on the screen.
• If the depth indication setting is set to [On] (see page 1-52).
• the [Bottom Level XDR]. Adjust the [Bottom Level XDR]
(see page 2-8).
the speed/water temperature
readout is unrealistic or not
present
• if the sensor plug is securely connected and not damaged.
Change if necessary.
• if the sensor is not damaged.
the position readout is unrealis-
tic or not present
• the connection between fish finder and navigator.
• if the navigator is not damaged.
NMEA2000 data is not re-
ceived
• Turn on the power of NMEA2000 network. If the unit has already
been turned on, reboot the system.
To Next Page
Loading...
Need help?
General
