Part 10: Appendices; Troubleshooting; Appendix A - Alesis QS6.1 Reference Manual

T
ROUBLESHOOTING
If you experience problems while operating your QS6.1, please use the following
table to check for possible causes and solutions before contacting Alesis customer
service for assistance. Some of them may seem rather obvious, but youÕd be amazed
at how easy it can be to overlook the basics.
Symptom
The display does not light
up when the ON/OFF
switch is turned on.
No sound.
MIDI input in Mix mode
isnÕt working (i.e., you
canÕt control your unit via
MIDI from a sequencer or
some other controller).
Notes sustain
continuously.
Notes played from QS6.1
have a ÒdoubledÓ or
ÒflangedÓ sound
QS6.1 Reference Manual
P 10: A
ART PPENDICES
A
PPENDIX
Cause
No power.
Bad connections.
Volume is turned down.
Keyboard Mode is set
incorrectly.
External MIDI device
sent Volume (CC#7) or
Expression (CC#11)
commands with a value
approaching 0.
Bad connections.
MIDI IN is switched off
for one or more channels.
Keyboard Play Mode is
set incorrectly.
Serial port enabled.
Sustain pedal was
plugged in after power
was turned on.
Stuck notes due to
incomplete MIDI data.
MIDI echo/Thru enabled
on external MIDI device
or computer
Appendix A Ñ Trouble-Shooting
A
Solution
Check that the power cable
is plugged in properly.
Check your audio cables; if
necessary, swap cables.
Raise the [VOLUME] slider
or Pedal 1.
Set the Keyboard Mode to
NORMAL (Global Editing,
display page 6).
Switch QS6.1 from Mix
Mode to Program Mode or
vice versa.
Re-transmit higher values
from MIDI device.
Check MIDI cables.
Make sure the MIDI IN
parameter is turned on for
the channel(s) you wish to
control via MIDI.
Set the Keyboard to Mix
Play Mode (push Mix
button.
Set I/O parameter to MIDI
(Global Edit Mode, page
15).
Turn the unitÕs power off,
wait a moment, and then
turn it on again.
Switch QS6.1 from Mix
Mode to Program Mode or
vice versa.
Disable MIDI echo/Thru
on external MIDI device
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