7
The following notes and further detailed
information on our website
should help you to rectify malfunctions. In case you don’t suc-
ceed, please contact our hotline
+49 (0) 30 / 300 9 300. Please also observe the warranty notes.
Problem
Possible cause
Solution
The subwoofer isn’t working.
The LED
3
is not illumi-
nated.
The subwoofer is off or doesn’t have
any power.
Turn on the switch
10
“Power” (“On I” position).
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 out. Insert
a new fuse (2 A delayed
action) and push the holder
back.
The subwoofer isn’t working,
but the LED
3
is illuminated
in green.
The volume has been set too low.
Increase the volume using the controller
6
“Volume”.
The subwoofer does not
activate.
The sensitivity setting for the automatic
activation is insufficient.
Turn the controller
5
“Auto Level” towards “High”.
The subwoofer activates
inadvertently.
The sensitivity setting for the automatic
activation is too high.
Turn the controller
5
“Auto Level” towards “Low”.
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.
Buy a line filter and connect both devices 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.
Disposal of the unit
Used units must not be disposed of with
household waste!
If the unit is no longer operational, every consumer
is required by law to dispose of used devices
separately from household waste, e.g. at a collec-
tion point run by the communal authority borough. In this way
it is ensured, that used devices are properly recycled and that
negative consequences on the environment are avoided. For
this reason, electrical equipment is labelled with the displayed
symbol.
Batteries and rechargeable batteries
Batteries and rechargeable batteries must
not be disposed of with household waste!
Every consumer is required by law to bring all bat-
teries and rechargeable batteries, whether they
contain harmful substances*) or not, to a collection point run
by the communal authority or borough or run commercially,
so that they can be disposed of in an environmentally friendly
manner.
Please only hand in fully discharged batteries and recharge-
able batteries!
*) labelled with: Cd = cadmium, Hg = mercury,
Pb = lead
Troubleshooting
Protecting the environment
