Table of Contents
Plena All-in-One System
Problem
Sound is distorted or
noisy
Unit does not work
9.1
Customer service
If a fault cannot be resolved, please contact your supplier or system integrator, or go directly
to your Bosch representative.
Bosch Security Systems B.V.
Possible cause
Phantom power is disabled for
an electret or condenser
microphone.
Connection jumper is missing
between Insert out and Insert
in to connect the power
amplifier input to the pre-
amplifier output.
Music player control is in pause
or mute mode.
Audio cable is loose and/or not
connected properly.
Jacks and/or jack plugs are
dirty.
The power cord is
disconnected or unit has been
switched off.
Installation and Operating Manual
Troubleshooting | en
Potential solution
Enable the phantom power
supply or use a dynamic
microphone.
Replace jumper or use a short
cable with two RCA plugs.
Press the play / mute button to
begin playback.
Connect the audio cable to the
line input jack of the DJ audio
mixer.
Wipe away dust or dirt and
reinsert jack plugs.
Insert the power cord and
switch on the unit.
2014.09 | V1.2 |
43
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