13
troubleshooting
If you suspect something is wrong, immediately switch power off. Immediately stop using it and
call the store where you purchased it. Never try to repair the unit yourself because it is dangerous
to do so.
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 function normally.
The unit system is unstable.
Press the reSeT button.
tuner mode
U n a b l e t o r e c e i v e
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 USB/SD/MMC file
system is in FAT or FAT32 format.
Due to different formats, some models
of USB storage devices or MP3
players may not be read.
