GENERAL
Unit can not power Unit fuse blown. Replace with new fuse of correct rating.
on.
~-------------------+----------------------------------~
Car battery fuse blown. Replace with new fuse of correct rating.
No/low audio output.
Improper audio output
connection.
Check wiring and correct.
Poor sound quality
or distortion.
Unit resets itself
when
engine is off.
USB
USB
device cannot
be inserted.
USB
device is not
recognized.
Volume set too low.
Speakers damaged.
Heavily biased volume
balance.
Speaker
wiring is
in
contact
with metal part of car.
Speaker
power rating does
not match unit.
Wrong connections.
Speaker
is shorted.
Increase volume
level.
Replace speakers.
Adjust the channel balance to center position.
Insulate all
speaker wiring connections.
Replace speakers.
Check wiring and correct.
Check wiring and correct.
Incorrect connection betwee Check the wiring and correct.
ACC and Battery.
The
USB
device has been
inserted with wrong
direction.
The
USB
connector
is
broken.
The
USB
device
is
damaged.
Connectors
are
loose.
Reversing the connection direction of the USB
device, try it again.
Replace with a new USB
device.
Disconnect the USB
device and reconnect.
If
the device is
still not recognized, try replacing
with a different
USB
device.
No sound heard with
No
MP3/WMA
file
is
stored
in
the display
"No File"
the
USB
device.
Store these files
properly
in
the
USB
device.
shown.
Sound
skips or is
noisy.
MP3/WMA
files
are
not
encoded
properly.
Use MP3/WMA files encoded properly.
Bluetooth
(M505 only)
Cannot pair the
81
uetooth enabled
device with the
audio system.
The audio quality is
poor after connection
with a Bluetooth-
enabled device.
The device does not support
the profiles required for the
system.
The Bluetooth function of th Refer to the user manual of the device for how
device is not enabled. to enable the function.
The
Bluetooth
reception
is
poor.
Move the device closer to the audio system or
remove any obstacle between the device and
the system.
M205/M505
17
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