Troubleshooting; Troubleshooting Index - Alesis Studio 12R Reference Manual

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
The Power LED does
not light when the
unit is powered on.
Sound is distorted,
red "PEAK" LED is lit.
Sound is excessively
noisy, faders must be
raised to full to hear.
Sound from effect is
noisy.
No audio is heard
from PHONES or
MONITOR output.
No audio on an
individual channel.
Studio 12R Reference Manual
Cause
No power.
Input level is too
high.
Input level is too
low.
AUX 2 send level is
too low and Stereo
Aux Return on
mixer is up full.
Monitor switch is
set to "TAPE".
INSERT jack is
connected to a
device that's off.
TRIM level is too
low.
MIC IN and LINE
IN jacks being used
on the same
channel.
Microphone
requires phantom
power.

Troubleshooting

Solution
Check that the power
cable is plugged in
properly.
Turn down the
source volume, or
turn down the TRIM
control.
Don't plug line level
signals into the MIC
jacks.
Turn up the TRIM
control.
Set the source(s) to a
higher lev el.
Turn Output of effect
device up and reduce
Aux Return level on
mixer. Increase Aux
Send levels.
Set switch to "MSTR"
Check insert jack cables
and device.
Turn the TRIM control
up.
Unplug one of the
sources from the
channel.
Turn PHANTOM
switch on (on rear panel
next to POWER)
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