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AEG AR 4021 BT Manual

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92
ENGLISH
Cleaning
Safety Precautions
CAUTION
Unit damage is possible
Ensure that no moisture penetrates the unit, as this
►
can cause irreparable damage.
Cleaning
Clean the unit only with a slightly dampened cloth.
Troubleshooting
This chapter describes important instructions for trouble-
shooting. Please observe all instructions to avoid risks and
damage.
Safety Precautions
WARNING
Please observe the following safety instructions to avoid
risks and damage:
Electrical repairs must only be executed by specialized
►
sta being trained by the manufacturer. Improper
repairs can cause signicant danger for the user and
damage to the unit.
Troubleshooting
Problem Possible cause Solution
Unit cannot
be turned
on.
The car ignition
switch is not on.
If the power supply
is properly connected
to the car accessory
terminal, switch the
ignition key to “ACC”.
No sound
The volume is set to
minimum.
Increase the volume.
Wiring is improper. Check the wiring.
Disc cannot
be loaded or
is ejected.
Presence of disc
inside the player.
Remove the disc in
the player, and then
load a new one.
Disc inserted in
reverse direction.
Insert the compact
disc with the label
facing up.
The disc is extremely
dirty or defective.
Clean the disc or try
to play a new one.
CD format is not
supported.
Insert a dierent CD.
Mistake with home-
burnt CD.
Check your CD in a
dierent player.
Problem Possible cause Solution
Disc cannot
be loaded or
is ejected.
Temperature inside
the car is too high.
Cool o or wait
until the ambient
temperature returns
to normal.
Condensation on the
laser.
Turn the unit o
for several hours
until the moisture is
evaporated.
CD skips.
Installation angle
over 30°.
Decrease installation
angle to less than
30°.
CD dirty or damaged. Clean the CD or play
dierent CD.
The opera-
tion keys do
not work.
The built-in micro-
computer is not
operating properly
due to noise.
Press RESET (30).
The front panel is not
correctly installed.
Remove the front
panel, press RESET
button and install
again.
The radio
does not
work or no
auto scan.
The antenna cable is
not connected.
Insert the antenna
cable rmly.
The signals are too
weak.
Select a station
manually.
Station
memory
does not
work.
Terminal 4 of ISO
connector A (con-
tinuous positive) not
properly connected.
Check the cabling.
Observe chapter
“Connections”.
USB device
does not
work.
The USB port is
only for proper
USB devices. Not
all available devices
comply with the
standards. Possibly a
non-standard device
is connected.
Connect a USB-
conform device.
Ensure the media is
formatted in FAT32
format.
SD/MMC
memory
card does
not work.
The unit cannot read
the card.
Check the card. Insert
it with the text side
face up. Ensure the
media is formatted
in FAT32 format.
No connec-
tion can be
made via
Bluetooth.
Bluetooth is
switched o on your
mobile phone.
Activate Bluetooth
on your mobile
phone.
… 92 …


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