Malfunction
Possible cause
Solution
No sound or
poor sound
Sound is turned off.
Adjust the volume.
External speakers are not
properly connected.
Check the speaker wires
connection and polarity.
MAESTRO is not set to the
correct playback mode.
Select another
playback mode.
Headset is plugged in.
Pull the headset out
of the jack.
FM/DAB or Internet
reception is poor.
Extend/adjust the FM/DAB
antenna or check the Wi-Fi
connection.
There is radio interference.
Keep MAESTRO away from
other electronic devices.
Optical or coaxial input
has no sound.
Select PCM as output
source i in the external
device.
Due to the overload the
protection circuit is
activated.
Turn the MAESTRO off and
on again to reset the
protection circuit.
Insufficient
Wi-Fi signal
strength
The router is too far or
blocked.
Place MAESTRO closer to
the router or adjust the posi-
tion of the Wi-Fi antenna.
Cannot connect
to your
Wi-Fi network
Router is not switched on
or working properly.
Switch on your router or
check the router conditions.
Setup method is incorrect.
Check if your router
supports WPS and uses
he correct setup method
(PBC or PIN).
Configure the Wi-Fi
settings again.
© sonoro audio GmbH 2019
134