Troubleshooting - VDO MS 4200 Owner's Manual

Troubleshooting

In rare instances, your navigation radio may not function the way you expect it to. Be -
fore calling for service please read the operating instructions and go through the fol -
lowing check list; it may be possible to easily remedy an apparent malfunction.
Symptoms
General
Navigation radio not functioning. No display.
Audio or map CD rejected by the device.
"Please insert CD" or "Please insert correct
CD" is displayed.
System switches off the sound during driving or
display shows "PHONE IN/MUTE".
The removable part of the device feels warm.
The display shows "Temperature too high" and
the volume is lowered.
Radio
Poor radio reception.
(The display shows the frequency instead of the
station name.)
The desired station cannot be set with
automatic search.
The display shows "Tune to next TA station"
and a warning tone sounds.
CD player / CD changer
Distorted sound / skips during CD play.
CD player does not work.
No sound during CD play.
Navigation
System reacts very slowly to entries or requires
a long time for calculation.
"Stand-by" is the only option selectable from
the main menu.
The number of satellites displayed on info
screen i3 "System info" is 0.
Guidance information not audible.
Address cannot be stored in the address book.
Guidance is not accurate.
Possible cause / remedy
• Check the fuse (unit and vehicle) and the connections (see installation
instructions).
The CD may be dirty.
• Clean the CD with a special CD cleaning fluid.
• Check that a suitable CD is inserted with the label side facing upwards in the
CD player.
Speedometer signal connected to the wrong pin of the power supply
connector.
• See pin setting ISO chamber A in the installation instructions.
No error. The device always generates some heat.
An integrated safety circuit prevents the temperature in the device from
exceeding a certain value.
• Allow the device to cool (set lower volume) and wait until "Temperature too
high" disappears from the display.
• Check if the antenna is completely extended and correctly connected.
• Verify that the supply power negative pole (brown lead) is correctly
connected to earth (vehicle chassis).
The device is set to a station that does not transmit RDS signals or the
transmitter is too weak.
The desired station is too weak.
• Set desired station manually (manual tuning).
• Check if the antenna is completely extended and correctly connected.
"Traffic programme" or "TMC" is switched on. The radio only tunes to
stations with traffic news or TMC information.
• If necessary, switch off the "Traffic programme" or "TMC".
Tuner standard (tuner grid) wrongly set (EUR / USA).
• Check the option "Tuner Grid" in the "Radio" menu.
"Traffic programme" is switched on, the selected station, however, is too
weak or does not transmit traffic announcements (TA).
• Deactivate the "Traffic programme" function or set another station.
Player cannot read CD. CD is damaged or soiled.
In cold weather conditions, condensation may occur on the laser.
• Wait approximately 5 minutes until the condensation evaporates.
Some CDs contain multimedia data which are not recognised by the device.
• Select the next track until music is heard.
You are in a very densely digitised area. The system requires more time to read
large data quantities.
• Wait for several seconds until the navigation computer is operational
(options will be displayed in normal font).
• Ensure that the GPS antenna is not covered by any objects.
• Move the vehicle outdoors if you are in a garage, a car park or a tunnel.
• Check if the volume is set to zero.
Address book is full.
• Delete one or more entries that are no longer required.
An inaccuracy of approx. 30 m is within the tolerance limits.
• Please contact an authorised dealer if greater inaccuracies occur repeatedly.
The displayed distance to the turning point is calculated to the centre of the
junction (especially for extended junctions and main road exits).
TROUBLESHOOTING
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