Operation Manual

Troubleshooting 18
Symptom working
state
Possible problems Solution
No mains connection or fuse blown Check fuse, mains plugs and socket.
Power switch in OFF position Switch to “ON”.
No input signal
Check input connections, exchange RCA con-
nector, check source signal (is a different audio
component fed by the same source playing
correctly?).
Volume adjusted to minimum
Increase the volume by means of the volume
adjuster at the front.
No signal
Selector switch for analogue / digital
input in wrong position
Switch selector switch to the position of the
source (analogue or digital) which you would
like to play.
Level is too low
(analogue input)
Source (mobile phone, mp3-player,
CD-player) has too low output level
Check and increase level adjustment at the
source device.
Level is too low
(digital input)
There is an attenuator at the source
side working
Increase the volume of the digital output at your
source.
Sound is too quiet or
distorted
Volume of the powered speaker is
set to a low level
Reduce the level of the source to appr. 50%,
increase the volume of the powered speaker
until a comfortable volume is reproduced within
the room.
Even at low output
level of the source,
the sound pressure
level in the room is
too high
Volume of the powered speaker is
set to a high level
Reduce the volume of the powered speaker to
minimum; increase the output level of the signal
source to appr. 50%; now increase the volume
of the powered speaker until a comfortable vol-
ume is reproduced within the room.
The right channel can
be heard on the left
side and vice versa
(digital input)
Channel switch is switched to the
wrong positions.
Select other channel on both speaker’s channel
switches.
Loud hum
Contact problems with connectors
(especially RCA or adapters for
extensions)
Check all connections; reduce the level at ELAC
speaker to min., the outer rings of the RCA
plugs may have to be readjusted.
Soft hum (during
pauses)
Hum of source, ground loop with
RCA multi-connections
Check of ELAC speaker for inherent hum: dis-
connect all inputs, switch power ON, normal
settings.
Now, with the ear near the speaker there may
be a soft hum, but none at the listening place.
Soft noise Source reproduces noise
Check of ELAC speaker for inherent noise: dis-
connect all inputs, switch power ON, normal
settings.
Now, with the ear near the speaker there may
be a soft noise, but nearly none at the listening
place.