Troubleshooting; Troubleshooting Index - Alesis Studio 24 Reference Manual

T
ROUBLESHOOTING
If you are experience problems while operating the Studio 24, please use the
following table to locate possible causes and solutions before contacting Alesis
customer service for assistance.
Symptom
The POWER LED does not
light when the ON/OFF
switch is turned on.
Hiss/noise in output,
faders must be raised to
top to hear.
Effects are noisy.
Noise/hum.
No signal from channel.
Feedback when REC is
pressed on recorder.
Crackling sounds.
S 24 R
TUDIO EFERENCE
T
ROUBLESHOOTING
I
NDEX
No power.
Input level is too low.
Effects send too low,
return too high.
Ground loop between
devices in system.
Unshielded cables.
Device in INSERT jack is
stopping the signal.
PAN pot set in wrong
direction.
Microphone requires
phantom power.
TAPE OUT is feeding its
own input.
Dirty or corroded
connections on back of
mixer.
A microphone cable has a
small short or break.
M
ANUAL
Cause
Check that the power
cable is plugged in
properly.
Turn up the TRIM
controls, lower the faders.
Set the source(s) to a
higher level.
Turn output of effect
device up and reduce Aux
Return level on mixer.
Increase Aux Send levels.
See page 35.
Don't use speaker cables
for mixer connections.
Remove insert jack, set it
to bypass, or reverse
input/output of device.
Set to left for MON 1 and
GRP 1, to right for MON 2
and GRP 2.
Turn PHANTOM switch
on.
Set CHAN/MON
REVERSE to UP, or press
DIRECT OUT SOURCE
down and turn off GRP
switches on tape channels.
Use MON 1/2 to hear
tape.
Unplug and replug
connectors several times,
clean plugs.
Use SOLO to find the
noisy channel, and replace
the cable.

Troubleshooting

C 8:
HAPTER
Solution
9 3