Troubleshooting - Clarion CMS4 Manuel Du Propriétaire Et Manuel D'installation

6. TROUBLESHOOTING

GENERAL
Problem
The unit will not power
on
No sound
The remote is not
responding
Auto seek function can
not find any stations
USB
Problem
USB device cannot be
inserted.
USB device is not
recognized.
No sound heard with
the display "No File"
shown.
Sound skips or is
noisy.
Bluetooth
Problem
Cannot pair the
Bluetooth enabled
device with the audio
system.
The audio quality is
poor after connection
with a Bluetooth-
enabled device.
20
CMS4
Cause
The vehicle's accessory
switch is not on
Volume is set too low
Wiring is not properly
connected
The built-in internal processor
is not operating properly
The antenna cable is not
connected
The signals are too weak
Cause
The USB device has been
inserted with wrong direction.
The USB connector is broken. Replace with a new USB device.
The USB device is damaged.
Connectors are loose.
No MP3/WMA file is stored in
the USB device.
MP3/WMA files are not
encoded properly.
Cause
The device does not support
the profiles required for the
system.
The Bluetooth function of the
device is not enabled.
The Bluetooth reception is
poor.
Measure
If the power supply is properly connected
vehicle's accessory terminal, switch the ignition key
to "ACC"
Increase the volume to audible level
Correct wiring connections
Hold the Power / SRC button and select Power Off.
Press the Power / SRC button to power back on
and check if the remote is functioning properly.
Insert the antenna cable securely
Select a station manually
Measure
Reversing the connection direction of the USB
device, try it again.
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.
Measure
Use another device to connect.
Refer to the user manual of the device for how to
enable the function.
Move the device closer to the audio system or
remove any obstacle between the device and the
system.
to the