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16.1 General problems
Symptom Possible cause/remedy
The device cannot be switched on. The device is not being supplied with power.
Connect the mains plug correctly to the
mains outlet. If necessary, select another
power outlet.
No sound can be heard. Increase the volume. If necessary, the
incorrect source has been selected.
The mute function may be active.
The display does not switch on. Switch o the device, disconnect from the
mains.
Switch on the device.
Interference can be heard. In the vicinity of the device, a mobile phone
or other device is emiing disruptive radio
waves.
Remove the mobile phone or the device
from the environment of the unit.
Other operational malfunctions,
loud noises or a malfunctioning
display indication are occurring.
Electronic device components are
faulty.
Remove the mains plug. Leave the device
disconnected from the power source for
approx. 10 seconds. Reconnect
the device.
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