Troubleshooting - Sonoro QUBO SO-220 Bedienungsanleitung

17. 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
Device does not turn
on
No sound
CD playback does not
start
USB playback does
not start
No Bluetooth
connection, or Blue-
tooth connection
interrupted
Device not responding
Poor FM/DAB
reception
92
Possible cause
AC adapter with universal
adapter is not properly
connected
Volume is set to minimum
Sound is turned off
Headphones are connected
Another mode is set
CD format is not compatible
CD is dirty
CD is damaged
CD is upside down in the
disc tray
USB device is not plugged
in
USB device is not
compatible
USB device does not contain
readable audio files
Malfunctions due to other
radio transmitters or devices
Software not up to date
Error in the device
FM/DAB antenna is not
properly aligned
Elimination
Properly connect the AC adapter with
universal adapter (Please see chapter
7.3 'Connecting the power supply' on
page 62).
Increase the volume (Please see
chapter 9.1 'Setting the volume' on
page 76).
Switch on the sound (Please see
chapter 9.2 'Muting the audio
playback' on page 76).
Pull the headphones out of the jack.
Set the correct mode (Please see
chapter 9.3 'Selecting a play- back
mode' on page 77).
Insert a different CD into the CD slot.
Clean the CD.
Insert a different CD into the CD slot.
Eject the CD and insert it correctly
into the CD slot.
Insert the USB device into the port
on the back of the device (Please see
chapter 14 'USB playback'
on page 86).
Check whether your USB device is
compatible with the radio.
Check the files on your USB device.
Increase the distance between the
radio and your television.
Make sure that your external Blue-
tooth device has the latest software
version installed
Switch the device off and on again.
Change the position of the FM/DAB
antenna.
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