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E
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EN-16
Problem
Problem
Problem
Cause
Cause
Cause
Measure
Measure
Measure
Unit cannot
power on.
USB device cannot
be inserted.
Cannot pair the
Bluetooth enabled
device with the
audio system.
No/low audio
output.
The audio quality is
poor after connection
with a Bluetooth-
enabled device.
Poor sound
quality or
distortion.
Unit resets itself
when engine is off.
Improper audio output connection.
The USB device is damaged.
Volume set too low.
The Bluetooth reception is poor.
Wrong connections.
Speaker is shorted.
Incorrect connection between
ACC and Battery.
MP3/WMA files are not
encoded properly.
Check the wiring and correct.
Use MP3/WMA files encoded properly.
Increase volume level.
Replace with new fuse of correct rating.
Replace speakers.
Adjust the channel balance to center position.
Insulate all speaker wiring connections.
Disconnect the USB device and reconnect. If
the device is still not recognized, try replacing
with a different USB device.
Replace speakers.
Check wiring and correct.
Store these files properly in the USB device.
Unit fuse blown.
The USB device has been
inserted with wrong direction.
The device does not support
the profiles required for the
system.
The Bluetooth function of the
device is not enabled.
Replace with new fuse of correct rating.
Reversing the connection direction of the USB
device, try it again.
Use another device to connect.
Refer to the user manual of the device for how
to enable the function.
GENERAL
Bluetooth
USB
Move the device closer to the audio system or
remove any obstacle between the device and
the system.
Car battery fuse blown.
Replace with new fuse of correct rating.
Speakers damaged.
Heavily biased volume balance.
Speaker wiring is in contact
with metal part of car.
Connectors are loose.
Speaker power rating does
not match unit.
No MP3/WMA file is stored in
the USB device.
Check wiring and correct.
USB device is not
recognized.
No sound heard with
the display “No File”
shown.
Sound skips or is
noisy.
The USB connector is broken Replace with a new USB device.
13.
TROUBLESHOOTING