Troubleshooting - Alesis iO14 Reference Manual

Troubleshooting

9
Audio signal carries an
unwanted hum.
Microphone level is too low.
No or low sound from a
channel input.
Turntable input is too low in
level and/or lacks bass.
54
Not using balanced cables.
Improper grounding
Damaged cable
Phantom power is not
turned on.
Microphone is damaged.
Gain set too low.
Instrument volume is too
low.
Instrument volume is too
low.
"Mic/Line" and "Phono"
switch is set incorrectly (this
applies only to the IO|26)
Make sure you are using
balanced (XLR or 1/4" TRS)
cables wherever possible.
Insert a "ground lift switch" into
the offending cable's signal path.
Replace cable with a known
good cable.
Turn on phantom power using
the "+48V" switch on top panel
of IO|14/26.
Test the microphone on other
audio devices. If you detect
damage, contact the
manufacturer or dealer.
Increase the gain for that
channel.
Turn up the instrument's
volume knob.
Turn up the instrument's
volume knob.
Hook up your turntable to
outputs 7-8 (on your IO|26)
and set the "Mic/Line or
Phono" switch to "Phono."