Troubleshooting - Clarion CX305 Owner's Manual

6. TROUBLESHOOTING

GENERAL
Problem Cause
Unit fuse blown.
Unit can not power on.
Car battery fuse blown.
Unit can not power on.
Nothing happens
when buttons are
The microprocessor has
pressed.
malfunctioned due to noise, etc.
Display is not
accurate.
Improper audio output connection. Check wiring and correct.
Volume set too low.
Speakers damaged.
No/low audio output.
Heavily biased volume balance.
Speaker wiring is in contact with
metal part of car.
Non-standard disc used.
Speaker power rating does not
Poor sound quality or
match unit.
distortion.
Wrong connections.
Speaker is shorted.
Unit resets itself when Incorrect connection between ACC
engine is off. and Battery.
DISC Player
Problem Cause
Another disc is already loaded.
Disc cannot be
There is a foreign object stuck inside
loaded.
the unit.
Compact disc is dirty.
Sound skips or is
Compact disc is heavily scratched
noisy.
or warped.
Sound is bad when Condensation may form on the internal
power is first turned lens when the car is parked in a
on. humid place.
Measure
Replace with new fuse of correct rating.
Replace with new fuse of correct rating.
Turn off the power and remove the DCP.
Press the [RESET] button with a thin rod.
Note:
When the [RESET] button is pressed, turn off
the ACC power.*
* When the [RESET] button is pressed,
frequencies of radio stations, audio settings, etc.
stored in the memory are cleared.
Increase volume level.
Replace speakers.
Adjust the channel balance to center position.
Insulate all speaker wiring connections.
Use a standard disc.
Replace speakers.
Check wiring and correct.
Check wiring and correct.
Check wiring and correct.
Measure
Eject the disc before loading the new one.
Remove the object inside the unit.
Clean the compact disc with a soft cloth.
Replace with a compact disc with no
scratches.
Let dry for about 1 hour with power on.
USB device
Problem Cause
The USB device has been
USB device cannot
inserted in the wrong direction.
be inserted.
The USB connector is broken.
The USB device is damaged.
USB device is not
recognized.
Connectors are loose.
No sound heard with
No MP3/WMA file is stored in the
the display "No File"
USB device.
shown.
Sound skips or is MP3/WMA files are not encoded
noisy. properly.
Bluetooth
Problem Cause
The device does not support the
Cannot pair the
profiles required for the system.
Bluetooth enabled
device with the
The Bluetooth function of the
audio system.
device is not enabled.
The microphone is not correctly
The audio quality
positioned.
is poor after
connection with a
Bluetooth-enabled
The Bluetooth reception is poor.
device.
Measure
Try again after reversing the connection direction
of the USB device.
Replace with a new USB device.
Disconnect the USB device and reconnect. If the
device is still not recognized, try replacing it with a
different USB device.
Store these files properly in the USB device.
Use properly encoded MP3/WMA files.
Measure
Use another device to connect.
Refer to the user manual of the device for how to
enable the function.
Adjust the position of the microphone.
For example, stick the microphone onto the
dashboard close to the driver.
Move the device closer to the audio system or
remove any obstacle between the device and the
system.
CX305
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