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32
Troubleshooting
Before going through the checklist please make all the
connections fi rst. If you still have questions after going through
the checklist, please consult your local customer service
representative.
Fault Symptoms
Cause
Solution
CDs are drawn only
half way into the CD
tray.
The transport screws
have not been
removed.
Remove the transport
screws.
„NO DISC“ is shown in
the display.
The CD is inserted the
wrong way round.
Insert the CD right way
round.
CD cannot be selected
using the MOD(E)
button.
There is no CD
inserted.
Insert a CD.
A USB storage
medium is connected
to the USB port.
Remove the USB
storage medium.
The CD does not play
back after being inser-
ted into the device.
The volume control is
set too low.
Turn up the volume.
The device has
not been correctly
connected.
Check the +12V and
earth connection.
CD works intermittently
(dropouts).
The surface of the road
is uneven.
Wait until the road
becomes smoother
before playing the CD.
The device is not fi rmly
installed.
Install the device fi rmly.
Ensure that the rear at-
tachment is used if the
vehicle does not have
any suitable retainer
for the rear section of
the device.
The CD is damaged.
Try another CD. If this
works correctly, the
fi rst CD is probably
damaged.
The CD is dirty.
Clean the CD.
The device may have
been installed in the
vehicle at the wrong
angle.
Please note that a
maximum inclination
of 20° degrees should
not be exceeded!
No function.
The ignition is switched
off.
Turn the ignition key to
„ON“ or „ACC“.
One or more fuses
have blown.
Replace the fuse by
another 5 A /0,5 A/
0,5 A fuse.
Device cannot be
switched on or off via
the ignition.
Incorrect connection
(each car manufacturer
wires the ISO con-
nection in the vehicle
differently).
Please contact your
car workshop or a
vehicle specialist for
connection adapters
may specifi cally for
your model.
The device does not
work correctly (EJECT,
LOAD, PLAY).
The microcomputer
has been interfered
with by electromagne-
tic fi elds.
Remove the CD and
reinsert it.
Switch the device off
and on again.
Fault Symptoms
Cause
Solution
The device cannot be
operated, but „hangs
up“.
The control processor
of the device may
have been blocked by
overvoltage or under-
voltage in the vehicle
electrical system.
Press the RESET
button.
No radio reception.
The antenna cable is
not connected.
Insert the antenna
cable fi rmly into the
antenna socket of the
device.
Poor radio reception.
It is possible that your
vehicle has a special
antenna (phantom-
powered antenna.)
Please contact your
car workshop or a
vehicle specialist. (For
other manufacturers
there are specifi c
phantom power supply
adapters and voltage
adapters available.)
In automatic search
mode the radio does
not stop at a transmit-
ting station.
The transmission
signals are too weak.
Tune in to a radio
station manually.
Handling a CD
Cleaning the CD
Before playing a CD, wipe it off
with a clean, dust-free cleaning
cloth. Pull out the CD in the
direction of the arrow.
Note:
Do not use any solvents such as petrol or thinning agents.
Commercially available cleaning substances or antistatic sprays
will damage the device.
Inserting the CD
If the CD is inserted with the
printed side facing downwards,
the device may be damaged.
Always insert the CD with the
label facing upwards.
Note:
If there is already a CD in the CD slit, do not try to insert a
second CD. This may damage the device.
Touching the CD
Always hold CDs by the edge.
In order to keep the CD clean
do not touch the surface.
05-AR 737 DVD_GB 32
21.08.2006, 11:50:14 Uhr
