Alesis iO14 Reference Manual page 57

LED input meters not
working.
LED output meters not
working.
Computer does not see the
IO|14/26.
Computer sees the
IO|14/26, but no sound is
received and/or transmitted.
FireWire audio has crackling
or glitches, or audio
plays/records at incorrect
pitch.
No power.
Input level too low
Output level too low (or
muted)
Audio is not routed to the
correct outputs in your audio
software.
FireWire connection must be
established between your
computer and the IO|14/26.
IO|14/26 is not set as
primary sound device.
Buffer size is set too small.
Computer configuration may
be incompatible with
FireWire audio.
Defective power supply (or
FireWire cable).
FireWire cable does not
carry power.
Troubleshooting
Turn up the GAIN knob or the
output level of your instrument.
Un-mute and/or turn up the
output level of your audio
software
Make sure your audio software
is routing your signal to the
correct outputs.
Unplug the FireWire and power
cables from your IO|14/26.
Reconnect the FireWire and
power cables. If this does not
work, leave the IO|14/26 on
and power-cycle your computer.
Do not use "restart" but instead
actually turn off the computer
and then turn it on again.
Windows: in the computer's
Control Panel, go to the
Sounds/Multimedia area. In the
Audio section, set the default
sound recording and playback
devices to the IO|14/26.
Mac: perform a similar
operation under Audio/MIDI
Setup.
Increase the buffer size in the
IO|14/26 control panel.
Certain FireWire chipsets have
design limitations or IRQ
assignment restrictions that
must be resolved before audio
can work correctly on them.
See your FireWire chipset
documentation for further
information if required.
Replace power supply (only use
Alesis-recommended AC output
power supply).
If you are powering your
IO|14/26 through the FireWire
cable, you need to make sure
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