Malfunction
Possible cause
Solution
Internet radio station
does not work
sometimes.
Some stations only
support a limited number
of listeners.
Try again later.
Station is not broadcasting.
Try again later.
Some Internet radio
stations disappear from
the station list..
The station is removed
from the list when it stops
broadcasting.
Check again later.
If the station broadcasts
again, it will be brought
back to the list.
CD playback
does not start.
CD format is not supported. Insert correct CD format in
the CD slot.
CD is dirty.
Clean the CD.
CD is damaged.
Insert a different CD in the
CD slot.
USB device
does not work.
USB playback is not
supported.
Check the files and file
system on the USB device.
Hidden files on USB device. Remove hidden files on the
USB device.
USB device is not charging.
Check the USB cable.
Loud humming and
noise in Phono Mode.
Too low maximum
volume in Phono Mode.
GND cable is not
connected.
Connect phono GND
properly in MAESTRO and
connect the ground cable.
Using wrong
phono cartridge.
Use an MM
(Moving Magnet) pickup.
Record player and speakers
are too close together.
Move the record player
and speakers as far apart as
possible.
© sonoro audio GmbH 2019
135
GB
