Manual Teufel Columa 700 R (page 22 of 24) (English)

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· Columa 700 R

Troubleshooting

»The subwoofer is buzzing«

These buzzing noises may be produced by con-

nected devices or faults in the power network.

Excessive buzzing is usually caused by one of the

following:

1. The subwoofer is connected to a different pow-

er circuit from the rest of the equipment. En-

sure that all linked appliances (including the PC

if connected) are connected to a single power

circuit or plug.

2. The aerial connected to the equipment or

TV has a different ground potential than the

socket. To test this, simply remove all aerial ca-

bles from the wall socket. If the interference

stops, you need a sheath current filter that is

available from electronics retailers (sometimes

in the car hi-fi department!). It is inserted be-

tween the aerial socket and the subwoofer.

3. A separately purchased mains filter, to which all

appliances must be connected, may be useful

in eliminating the buzzing. Please ensure you

have the right to return the filter if it fails to

yield positive results.

4. A multiple socket strip sometimes proves to

be responsible for creating buzzing noises. To

test this, disconnect the plug strip and plug

the subwoofer’s mains plug directly into a wall

socket.

5. You can also try turning the mains plug around

and inserting it into the socket the other way

up, inasmuch as your mains plug/socket allows

this.

6. In order to better localise the cause of the

buzzing, check whether the subwoofer oper-

ates without buzzing on a power circuit in an-

other room (e.g. using an extension lead). In ad-

dition, try disconnecting the cable connection

from the subwoofer to the connected devices

in order to exclude the influence of connected

components.

»There is no sound – neither from the satel-

lites nor from the subwoofer«

Please ensure that the power cable is firmly in-

serted into the socket. If this is the case, please

check whether the blue “Standby” LED on the

Teufel subwoofer lights up after activating the

appliance by pressing the “Power” tip switch on

the rear; if this is not the case please contact our

service department.

»I cannot hear any sound from the individual

speaker channels, although other speaker

channels are working"

Please check whether all speaker cables – both

on the subwoofer rear and on the rear of the

satellite speakers – are firmly inserted into the

relevant sockets and that none of the individual,

uninsulated wires are in contact with each other.

Please also observe the corresponding channel

setting menus in the reproducing signal source

device (e.g. = DVD player).

»The rear satellites and/or centre will not play

with stereo sources such as music CDs (e.g. via

PC or DVD player)«.

Switch the “Listen Mode” on the remote control

to Dolby Prologic Music Modus = PL II. Please also

observe the corresponding channel setting men-

us in the reproducing signal source device (e.g. =

DVD player).

»The subwoofer is picking up additional radio/

interference signals«

In rare cases it may be possible to receive radio/

interference frequencies; this depends on the lo-

cal environment. Please remove all cinch cables

from the subwoofer and check whether the in-

terference still occurs. We recommend trying out

shorter, higher quality, shielded cinch connection

cables.

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Teufel Columa 700 R Manual

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