Cleaning; Safety Precautions; Troubleshooting - AEG AR 4021 BT Instruction Manual

ENGLISH
92

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
staff being trained by the manufacturer. Improper
repairs can cause significant danger for the user and
damage to the unit.
Troubleshooting
Problem Possible cause
The car ignition
Unit cannot switch is not on.
be turned
on.
The volume is set to
minimum.
No sound
Wiring is improper.
Presence of disc
inside the player.
Disc inserted in
reverse direction.
Disc cannot
be loaded or
The disc is extremely
is ejected.
dirty or defective.
CD format is not
supported.
Mistake with home-
burnt CD.
Problem
Disc cannot
be loaded or
is ejected.
CD skips.
The opera-
tion keys do
not work.
The radio
does not
work or no
auto scan.
Station
memory
does not
Solution
work.
If the power supply
is properly connected
to the car accessory
USB device
terminal, switch the
does not
ignition key to "ACC".
work.
Increase the volume.
Check the wiring.
Remove the disc in
SD/MMC
the player, and then
memory
load a new one.
card does
Insert the compact
not work.
disc with the label
facing up.
No connec-
Clean the disc or try
tion can be
to play a new one. made via
Bluetooth.
Insert a different CD.
Check your CD in a
different player.
Possible cause Solution
Temperature inside Cool off or wait
the car is too high. until the ambient
temperature returns
to normal.
Condensation on the Turn the unit off
laser. for several hours
until the moisture is
evaporated.
Installation angle Decrease installation
over 30°. angle to less than
30°.
CD dirty or damaged. Clean the CD or play
different CD.
The built-in micro- Press RESET (30).
computer is not
operating properly
due to noise.
The front panel is not Remove the front
correctly installed. panel, press RESET
button and install
again.
The antenna cable is Insert the antenna
not connected. cable firmly.
The signals are too Select a station
weak. manually.
Terminal 4 of ISO Check the cabling.
connector A (con- Observe chapter
tinuous positive) not "Connections".
properly connected.
The USB port is Connect a USB-
only for proper conform device.
USB devices. Not Ensure the media is
all available devices formatted in FAT32
comply with the format.
standards. Possibly a
non-standard device
is connected.
The unit cannot read Check the card. Insert
the card. it with the text side
face up. Ensure the
media is formatted
in FAT32 format.
Bluetooth is Activate Bluetooth
switched off on your on your mobile
mobile phone. phone.