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14
10.1 General
10.2 USB
10.3 Bluetooth
10 TROUBLESHOOTING
Problem Cause Remedy
Unit cannot power on.
Unit fuse blown. Replace with new fuse of correct value.
Vessel battery fuse blown. Replace with new fuse of correct value.
No/low audio output.
Incorrect audio output connection. Check wiring and correct.
Volume set too low. Increase volume level.
Speakers damaged. Replace speakers.
Heavily biased volume balance.
Adjust the channel balance to center
position.
Speaker wiring is in contact with metal
part of vessel.
Insulate all speaker wiring connections.
Poor sound quality or
distortion.
Speaker power rating does not match
unit.
Replace speakers.
Wrong connections. Check wiring and correct.
Speaker is shorted. Check wiring and correct.
Unit resets itself when engine
is off.
Incorrect connection between ACC and
Battery.
Check wiring and correct.
Auto seek function can not find
any stations.
The antenna cable is not connected. Insert the antenna cable securely.
The signals are too weak. Select a station manually.
Problem Cause Remedy
USB device cannot be inserted.
The USB device has been inserted incorrectly.
Reverse the connection direction of the
USB device and try again.
The USB connector is broken. Replace with a new USB device.
USB device is not recognized.
The USB device is damaged.
Disconnect the USB device and reconnect.
If the device is still not recognized, try
replacing it with a different USB device.
Connectors are loose.
No sound heard with the
display showing “No File”.
No MP3/WMA file is stored in the USB device.
Store these files properly in the USB device.
Sound skips or is noisy. MP3/WMA files are not encoded properly. Use properly encoded MP3/WMA files.
Problem Cause Remedy
Cannot pair the Bluetooth
enabled device with the audio
system.
The device does not support the profiles
required for the system.
The external BT device is not compatible.
The Bluetooth function of the device is
not enabled.
Refer to the user manual of the device for
how to enable the function.
Audio quality is poor after
connection with a Bluetooth
enabled device.
The Bluetooth reception is poor.
Move the device closer to the audio
system or remove any obstacle between
the device and the system.
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