7
Clean the subwoofer regularly with a soft, damp micro
fi
ber
cloth. When doing so, please be absolutely sure to observe the
following instructions:
• If possible, only use plain water without any additives. In
case of stubborn marks, a mild soap solution may be used.
• Make sure that no liquid penetrates the unit.
Care and cleaning
Danger
Risk of electric shock!
In contact with live parts, water can lead to electric
shock or short circuit.
• Make sure that no liquid penetrates the unit.
• Disconnect the mains plug before cleaning.
Attention
Risk of damage!
Using the wrong cleaning materials may damage
the delicate surface of the case.
If possible, only use plain water without any additives. In
case of stubborn marks, a mild soap solution may be used.
In no circumstances should caustic cleaning products, white
spirit, thinners, petrol or similar be used for cleaning.
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 subwoofer is off or doesn’t have any
power.
Turn on the switches
9
and
6
(“On”). Check the
power cord and socket.
Fuse defective.
1.
2.
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 (2 A delayed action)
and push the holder
back.
The volume has been set too low.
Increase the volume with the control
3
.
The subwoofer hums.
The subwoofer is connected to another
circuit than the rest of the system.
Connect the subwoofer and AV receiver to the same
circuit.
The buzzing is caused by problems with
the power supply.
Buy a line
fi
lter and connect both devices to it.
The buzzing is caused by a multi-outlet
power strip.
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
