21
EN
Troubleshooting
If the device does not work properly,
fi
rst check whether you are able to rectify the prob-
lem yourself. If the problem cannot be solved with the following steps, contact the cus-
tomer service department.
Do not attempt to repair an electrical device yourself!
Problem
Possible cause
Fix
No function.
In mains power mode: The connect-
ing cable is not connected correctly.
Correct the connection.
In mains power mode: The plug
socket is defective.
Try another plug socket.
In mains power mode: No mains volt-
age is present.
Check the fuse of the electri-
cal distributor (fuse box).
In battery mode: The batteries are
too weak or inserted incorrectly.
Insert new batteries and check
the polarity.
No sound can
be heard.
The volume is set to a minimum
level.
Check the volume setting.
If an external device is connected:
The devices are not connected to
one another correctly.
Check the connection of both
devices and correct it if neces-
sary.
The external device is not switched
on or its volume is too low.
Switch on the external device
and check its volume setting.
The battery output of the external
device is too weak.
Insert new batteries.
Poor sound
quality /
interference
Interference from electronic devices
such as televisions, stereo systems,
mobile phones, computers etc.
Keep the device away from
electronic devices.
Radio operation: Steel or reinforced
concrete in multi-storey buildings
may block the radio signal.
Place the radio near a window.
Radio operation: Interference may be
caused by a nearby radio mast.
It may be helpful to use the
extendable aerial. Try varying
the length and angle of the
aerial.
