Clarion M505, Owners And Installation Manual

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