Roland Atelier AT-90SL Owner's Manual page 216

Problem
Recording is not possible.
The recorded performance
has disappeared.
The bass note of the
Automatic Accompaniment
does not sound.
MIDI messages received at
MIDI In are not sounded.
Sound is distorted / cracked.
Some keys (of certain
keyboard parts) sound
strange.
The Rhythm does not change
when you press the
Registration buttons.
The volume changes during
playback of performance
data.
Bass is heard even though
you are not playing the Bass
Pedalboard.
When playing the same
sound in the Upper keyboard
and Lower keyboard, the
volume is different.
Check
If you wish to erase a previously-
recorded track and then re-record,
press the track button for the desired
track to make that button blink
before you begin recording.
If you wish to erase a previously-
recorded track and then re-record,
touch the track button for the track
you want to record in the Rec/Play
screen, stopping the button from
flashing.
Any performance that has been
recorded is deleted when the power
to the unit is turned off.
When a voice is selected for the
Pedal Bass part, the bass of the
Automatic Accompaniment will not
sound.
The Computer switch is not set to
"MIDI" position.
The Computer switch was set to
"MIDI" after the power was turned
on.
The Part Balance volume of each part
is too high.
The Reverb volume has been raised
when the volume of each Part
Balance button is already raised.
The [Master Volume] slider has been
used to raise the overall volume
excessively.
You are playing notes outside the
recommended range of the voice.
The settings at which Registrations
are recalled (Registration Arranger
Update) has been set to
"DELAYED."
When recording is performed
repeatedly while changing the Part
Balance volume, the previously-
recorded Part Balance data remains
in the Control track.
The Pedal [To Lower] button or the
[Bass Split] button is ON.
When the Pedal [To Lower] button is
ON, the Bass will be sounded by the
Lower keyboard.
On one of the keyboards, "Initial
Touch" is turned ON.
Troubleshooting
Solution
Press the track button for the desired
track to make that button indicator
blink before you begin recording.
On Rec/Play screen, touch the track
button for the desired track to make
that button indicator blink before
you begin recording.
A performance cannot be restored
once it's been deleted, so be sure to
save it on a floppy disk before you
turn off the power.
This is not a malfunction.
Set the Computer switch to "MIDI."
Turn off the power, and then turn
the power on once again.
Press the Part Balance button to
lower the volume.
Either lower the Reverb volume, or
adjust the Part Balance of each part.
Use the [Master Volume] slider to
lower the overall volume.
This is not a malfunction.
Set the timing at which the arranger
settings are called up (Registration
Arranger Update) to "INSTANT."
If you wish to get rid of the volume
changes, use the Erase function to
delete the Part Balance data.
In the Pedal part, press the Pedal [To
Lower] button or [Bass Split] button
to turn the button off (dark).
Set the initial touch settings of the
Upper keyboard and the Lower
keyboard to both On, or both Off.
Page
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p. 159
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p. 208
p. 208
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p. 191
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