Alesis Studio 24, Reference Manual

Page: 94 / 105

Troubleshooting
S
TUDIO
24 R
EFERENCE
M
ANUAL
9 3
C
HAPTER
8:
T
ROUBLESHOOTING
T
ROUBLESHOOTING
I
NDEX
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 Cause Solution
The POWER LED does not
light when the ON/OFF
switch is turned on. No power. Check that the power
cable is plugged in
properly.
Hiss/noise in output,
faders must be raised to
top to hear. Input level is too low. Turn up the TRIM
controls, lower the faders.
Set the source(s) to a
higher level.
Effects are noisy. Effects send too low,
return too high. Turn output of effect
device up and reduce Aux
Return level on mixer.
Increase Aux Send levels.
Noise/hum. Ground loop between
devices in system. See page 35.
Unshielded cables. Don’t use speaker cables
for mixer connections.
No signal from channel. Device in INSERT jack is
stopping the signal. Remove insert jack, set it
to bypass, or reverse
input/output of device.
PAN pot set in wrong
direction. Set to left for MON 1 and
GRP 1, to right for MON 2
and GRP 2.
Microphone requires
phantom power. Turn PHANTOM switch
on.
Feedback when REC is
pressed on recorder. TAPE OUT is feeding its
own input. 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.
Crackling sounds. Dirty or corroded
connections on back of
mixer. Unplug and replug
connectors several times,
clean plugs.
A microphone cable has a
small short or break. Use SOLO to find the
noisy channel, and replace
the cable.