AEG AR 4021 BT 400402 User Manual

92

 

Ensure that no moisture penetrates the unit, as this 

 

►

can cause irreparable damage.

Clean the unit only with a slightly dampened cloth.

 

‹

This chapter describes important instructions for trouble-

shooting. Please observe all instructions to avoid risks and 

damage.

 

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.

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 different CD.

Mistake with home-

burnt CD.

Check your CD in a 

different player.

Disc cannot 

be loaded or 

is ejected.

Temperature inside 

the car is too high.

Cool off or wait 

until the ambient 

temperature returns 

to normal.

Condensation on the 

laser.

Turn the unit off 

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 

different 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 firmly.

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 off on your 

mobile phone.

Activate Bluetooth 

on your mobile 

phone.