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Owners Manual 31
Troubleshooting
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 first 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 first 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 first before
making any changes!
Check if all signal cables are connected properly.
Check settings in Bass Management menu of the
connected amplifier or receiver.
Carefully and gradually increase the subwoofer
volume level on the amplifier or receiver.
Carefully and gradually increase the subwoofer
volume level on the subwoofer GAIN control.