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The following notes and further detailed information on our website should help you to rectify malfunctions. If this does not lead
to success, please contact our hotline
00800 - 200 300 40 (free of charge). Please also observe the warranty notes.
Problem Possible cause Solution
The subwoofer isn’t working.
The LED 9 “Power” is not
illuminated.
The subwoofer is off or doesn’t have
any power.
Turn on the switch 10 “Power” (“On I”).
Check the power cord and socket.
Fuse is defective. 1.
2. Spare
Disconnect the power cord.
Carefully pull the fuse holder
out of the mains connection.
Push the old fuse down and
out. Insert a new fuse (6.3 A
delayed action) and push the
holder back.
The subwoofer doesn't work
but LED 9 “Power” is illumi-
nated in green.
The volume has been set too low. Increase the volume using the control 4Volume.
LED 8 “Clip” is illuminated. The subwoofer is overloaded due to an
excessive input signal.
Reduce the input signal.
The subwoofer overheats. Reduce the volume and check the unit's ventilation.
A fault is present in the power supply. Please contact our hotline.
The subwoofer does not
activate.
The sensitivity setting for the automatic
activation is insufcient.
Turn the controller 3Auto Level” towards “High” or increase
the subwoofer level on the AV receiver.
The subwoofer activates
inadvertently.
The sensitivity setting for the automatic
activation is too high.
Turn the controller 3 Auto Level” towards “Low”.
The subwoofer drones. The room is too small. Increase the setting of the HP lter 5.
The subwoofer hums. The subwoofer is connected to another
circuit than the rest of the system.
Connect the subwoofer and source device to the same
electric circuit.
The buzzing is caused by problems with
the power supply.
Purchase a line lter and connect both units to it.
The buzzing is caused by a multiple
socket.
Use another multi-outlet power strip or connect the
subwoofer directly to the wall socket. It may also help to
insert the power plug the other way around.
Troubleshooting
Clip
LED 8 “Clip” is illuminated
– if the subwoofer is overloaded due to an excessive input
signal. Reduce the input signal.
– if the subwoofer overheats. Reduce the volume and check
the unit's ventilation.
– if a fault is present in the power supply.
CENTER
SUB
WOOFER
FRONT
RIGHT
FRONT
RIGHT
FRONT
LEFT
FRONT
LEFT
SURR
RIGHT
SURR
RIGHT
SURR
LEFT
SURR
LEFT
REAR
RIGHT
REAR
RIGHT
REAR
LEFT
REAR
LEFT
CENTER CENTER
FRONT
RIGHT
FRONT
LEFT
SURR
RIGHT
SURR
LEFT
REAR
RIGHT
REAR
LEFT
8
7


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