39
Problem Cause Solution
The subwoofer switches itself off
although music is being played.
There is hardly any low-frequency signal
available. This can happen if the music
or movie itself does not contain very low
frequencies (e.g. long dialogues).
The subwoofer will switch on
automatically as soon as low frequent
signals are detected.
The subwoofer will not switch on at all. • AC mains cable has become
disconnected (LED does not lit).
• Mains switch on the rear is switched
to OFF (LED does not lit).
Make sure to switch the system
off rst before making any
changes!
Reconnect mains cable.
Switch mains back on.
Check if all signal cables are
connected properly.
The subwoofer will not switch on
automatically.
• No signal is present on either of the
subwoofer’s inputs (LED lights red).
Make sure to switch the system
off rst before making any
changes!
Check if all signal cables are
connected properly.
Check if the subwoofer output on the
source is engaged.
Subwoofer is switched on but no sound
from the subwoofer.
• No signal is present on either of the
subwoofer’s inputs.
• In the processor or receiver’s bass-
management set-up, subwoofer has
been disabled.
• Subwoofer volume level has been
turned down all the way on the
processor/receiver.
• Subwoofer volume level has been
turned down all the way with the
subwoofer’s control.
Make sure to switch the system
off rst before making any
changes!
Check if all signal cables are
connected properly.
Check settings in Bass Management
menu of the connected amplier or
receiver.
Carefully and gradually increase
the subwoofer volume level on the
amplier or receiver.
Carefully and gradually increase
the subwoofer volume level on the
subwoofer GAIN control.
Troubleshooting
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General
Weight and Dimensions
