Alesis MULTIMIX 12R, Reference Manual

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Troubleshooting
Studio 12R Reference Manual
43
T
ROUBLESHOOTING
Troubleshooting Index
If you experience problems while operating the Studio 12R, please
use the following table to locate possible causes and solutions before
contacting Alesis Product Support or your dealer for assistance.
Symptom Cause Solution
The Power LED does
not light when the
unit is powered on. No power. Check that the power
cable is plugged in
properly.
Sound is distorted,
red “PEAK” LED is lit. Input level is too
high. Turn down the
source volume, or
turn down the TRIM
control.
Don’t plug line level
signals into the MIC
jacks.
Sound is excessively
noisy, faders must be
raised to full to hear. Input level is too
low. Turn up the TRIM
control.
Set the source(s) to a
higher lev el.
Sound from effect is
noisy. AUX 2 send level is
too low and Stereo
Aux Return on
mixer is up full. Turn Output of effect
device up and reduce
Aux Return level on
mixer. Increase Aux
Send levels.
No audio is heard
from PHONES or
MONITOR output. Monitor switch is
set to “TAPE”. Set switch to "MSTR"
No audio on an
individual channel. INSERT jack is
connected to a
device that’s off. Check insert jack cables
and device.
TRIM level is too
low. Turn the TRIM control
up.
MIC IN and LINE
IN jacks being used
on the same
channel. Unplug one of the
sources from the
channel.
Microphone
requires phantom
power. Turn PHANTOM
switch on (on rear panel
next to POWER)