18 Troubleshooting
Malfunctions may occur with any electrical equipment. This is not necessarily due to a device defect. As such,
you should check the following table to see if you can eliminate the problem yourself.
Malfunction Possible cause Elimination
Device does not turn on AC adapter with universal adapter
is not properly connected
Properly connect the AC adapter
with universal adapter (see
Ä
Chapter 7.3 ‘Connecting the
power supply’ on page 58).
No sound Volume is set to minimum Increase the volume (see
Ä
Chapter 10.1 ‘Setting the
volume’ on page 65).
Sound is turned off Switch on the sound (see
Ä
Chapter 10.2 ‘Muting the audio
playback’ on page 66).
Headphones are connected Pull the headphones out of the
jack.
Another mode is set Set the correct mode (see
Ä
Chapter 10.3 ‘Selecting a play-
back mode’ on page 66).
CD playback does not start CD format is not compatible Insert a different CD into the CD
slot.
CD is dirty Clean the CD.
CD is damaged Insert a different CD into the CD
slot.
CD is upside down in the disc tray Eject the CD and insert it correctly
into the CD slot.
USB playback does not start USB device is not plugged in Insert the USB device into the port
on the back of the device (see
Ä
Chapter 15 ‘USB playback’
on page 70).
USB device is not compatible Check whether your USB device is
compatible with the radio.
USB device does not contain read-
able audio files
Check the files on your USB device.
No Bluetooth connection, or Blue-
tooth connection interrupted
Malfunctions due to other radio
transmitters or devices
Increase the distance between the
radio and your television.
Software not up to date Make sure that your external Blue-
tooth device has the latest software
version installed.
Device not responding Error in the device Switch the device off and on again.
Poor FM/DAB reception FM/DAB antenna is not properly
aligned
Change the position of the FM/DAB
antenna.
Remote control does not work, or
only works sporadically
Distance too great Reduce the distance between the
remote control and the device.
Battery empty Replace the battery in the remote
control (see
Ä
Chapter 7.5 ‘Pre-
paring the remote control’
on page 58).
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