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Troubleshooting
34
Symptom working state Possible problems Solution
No signal No mains fuse connection
Check mains switch, plugs and socket
No signal Power mode switch in OFF posi-
tion
Switch MODE switch to “BT OFF” or “ON”
No signal No input signal Check input connections, exchange RCA connec-
tor, check source signal (is a different audio com-
ponent fed by the same source playing cor-
rectly?)
Output level too low
(speaker cable)
One channel inverted Disconnect one channel, is the bass level higher
now? Connect 2
nd
channel again, but now with
inverted polarity, check cables for polarity error
Level is too low, even
with Volume max.
Source (mobile phone, mp3-
player, CD-player) has too low
output level
Check and increase level adjustment at the
source device
max output slightly too
low (living-room)
Placement of subwoofer too
„open“
Place subwoofer in front of a wall or a corner.
Loud hum Contact problems with RCA con-
nector (adapter for extensions)
Check all connections; reduce the level an ELAC
sub to -30dB; the outer rings of the RCA plugs
may have to be readjusted.
Soft hum (during pauses)
Hum for source, ground loop with
RCA multi-connections
Check of ELAC sub for inherent hum: switch
MODE to OFF, disconnect all inputs, switch to
ON, normal settings.
Now, with the ear near the speaker there may be
a soft hum, but none at the listening place.
Bluetooth® connection
does not happen
Power mode selector (6) is at „BT
OFF“
Change POWER mode selector to „ON“
Bluetooth® connection
does not happen
Settings at the source (mobile
phone etc.) are not correct
Check the settings with help of owners manual
Bluetooth® connection
does not happen
Another Bluetouth® device has
already a connection to the ELAC
complete actvive subwoofer (per-
manent lightning of Bluetooth®
LED)
Switch POWER mode selector (6) to „BT OFF“,
then again to „ON“ and renew dial in; should
there be already another connection, switch this
source off and start again the connection from the
favoured soude
The ELAC complete ac-
tive Subwoofer playes
music that is not from
your source
The ELAC complete active Sub-
woofer has a Bluetooth® connec-
tion with another source
Change POWER mode selector (6) to „BT OFF“
the audio signal has in-
terruptions
the Bluetooth® source is at the
limit /out of coverage
Move the Bluetooth® source nearer to the re-
ceiver
the audio signal via Blue-
tooth® has low quality
Your Bluetooth® source does not
support the A2DP Profile, or it is
not active
Check the manual of your source if A2DP has to
be activated or is missing
The reproduction via
Bluetooth® sounds “col-
oured”
Your source device has an equal-
izer activated
Switch off /by pass the equalizer
37


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