16
Troubleshooting
In rare instances, your radio may not
function the way you expect it to. Before
calling the service department, please
read the operating instructions thoroughly
and go through the following check list; it may
be possible to quickly remedy an apparent
malfunction.
> Symptoms
• Possible cause / remedy
General
> Audio/ MP3 rejected by the unit.
• The CD may be dirty.
• Clean the CD with a damp cloth
• The CD does not comply with the CD
player’s specifications.
• See “Notes on audio and MP3 CDs”
> The operating panel generates some
heat.
• No error. The unit feels warm.
> The volume decreases automatically. The
volume can no longer be increased.
• An integrated safety circuit prevents the
temperature in the unit from exceeding a
certain value.
• Allow the unit to cool down (set low
volume).
Radio
> Poor or no radio reception.
• Check if the antenna is completely
and correctly connected.
• Check whether the supply voltage’s nega-
tive pole (brown cable) is correctly con-
nected to earth (vehicle chassis).
> FM ABC and FM AST station list has
only few or no stations.
• Antenna (disc antenna) obscured, antenna
rod bent or antenna defective.
• Please arrange for an authorised deal-
er to check the antenna.
> The frequency instead of the station
name is displayed.
• The unit is tuned to a station that
does not transmit RDS signals or the
transmitter is too weak.
> The required station cannot be tuned
to using automatic search.
• The desired station is too weak.
• Set desired station manually (manu.
tuning).
• Check whether the antenna is complete-
ly and correctly connected.
> No traffic announcements are switched
through (during CDC playback).
• Activate the traffic announcement by
pressing TA button
CDC / MP3
> Distorted sound/ skips during CD
play.
• Player cannot read CD. CD is dam-
aged or soiled.
> CD player does not work.
• In cold weather conditions, condensa-
tion may occur on the laser.
• With the set on, wait for 5 minutes until
the condensation evaporates.
> No sound during CD playback.
• Some CDs contain multimedia data
which is not recognised by the unit.
• Advance the tracks until music is
heard.
• See “Notes on audio and MP3 CDs”.
> Problems with new copy-protected
audio CDs.
• Some copy protection procedures are
incompatible with accepted standards
for audio CDs. This is not a fault on
the unit
• See “Notes on audio and MP3 CDs”.
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