EXONIC 250 - Manual (Page 13)

12
TROUBLESHOOTING
The following checklist can help you solve some problems which you may encounter when using the unit. Before consulting it, check the connections
and follow the instructions in the user manual. Do not use the unit in abnormal condition, for example without sound, or with smoke or foul smell can
cause fire or electric shock, immediately stop using it and call the store where you purchased it.
Problem Possible cause Solution
General
The unit will not switch on.
Car ignition is not on.
Cable is not properly connected.
Fuse is burnt.
Turn your car key in the ignition.
Check cable connection.
Replace fuse with a new fuse of the same capacity.
No sound
Volume is set at minimum or the mute
function is on.
Check the volume or switch the mute function off.
The unit or screen does not work normally. The unit system is unstable. Press the RESET button.
DISC mode
The appliance will not play discs.
The disc is inserted incorrectly.
The disc is dirty or damaged.
Disc must be inserted with the label side facing up. Clean
the disc and check for damage. Try another disc.
Sound skips due to vibration.
Mounting angle is over 30˚.
Mounting is unstable.
Adjust mounting angle to less than 30˚.
Mount the unit securely with the supplied parts.
TUNER mode
Unable to receive stations.
The antenna is not connected properly. Connect the antenna properly.
Poor quality reception of radio station.
The antenna is not fully extended or it is
broken.
Fully extend the antenna and if broken, replace it with a
new one.
Preset stations are lost. The battery cable is not properly connected. Connect the permanent live on the unit to the permanent
live on the vehicle.
USB/SD/MMC mode
Unable to insert USB device or SD/MMC
card.
The memory card or USB device has been
inserted the wrong way round.
Insert it the other way around.
The USB device or SD/MMC card cannot
be read.
NTFS format is not supported.
Check that the file system is in FAT or FAT32 format. Due
to different formats, some models of storage devices or
MP3 players may not be read.
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