No sound can be heard.
The display does not switch on.
Interference can be heard.
Other operational malfunctions,
loud noises or a malfunctioning
display indication are occurring.
16.2 Problems with USB media
No playback possible.
Symptom
Increase the volume. Possibly, the incorrect
source has been selected.
The mute function may be active.
Switch off the device, disconnect from the
mains.
Switch on the device.
In the vicinity of the device, a mobile phone
or other device is emitting disruptive radio
waves.
Remove the mobile phone or the device
from the environment of the unit.
Electronic device components are faulty.
Remove the mains plug. Leave the device
disconnected from the power source for
approx. 10 seconds. Reconnect the device.
Possible cause/remedy
The device is not in USB mode.
Switch to the respective source using MODE.
Medium not inserted or empty.
Insert the medium correctly or provide it with
music data.
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