Troubleshooting
Problem
No keyboard Sound
Any of the following symptoms while us-
ing battery power.
• Dim power supply indicator
• Instrument does not turn on.
• Dim, difficult to read display
• Abnormally low speaker/headphone
volume
• Distortion of sound output
• Occasional interruption of sound when
playing at high volumes
• Sudden power failure when playing at
high volumes
• Dimming of the display when playing
at high volume
• Abnormal rhythm pattern and demo
tune play
• Dimming of keyboard lights when notes
sound.
• Loss of power, sound distortion, or low
volume when playing from a connected
computer or MIDI device
Auto Accompaniment does not sound.
Sound output does not change when key
pressure is varied.
Key light stays on.
Keys are lit though no sound is being pro-
duced.
When playing with another MIDI instru-
ment, keys or tunings do not match.
Cannot record Auto Accompaniment or
rhythm.
When playing General MIDI data with a
computer, playback notes do not match
those produced when lit keys are pressed.
Playing on the keyboard produces an un-
natural sound when connected to a com-
puter.
Cannot record chord accompaniment data
on a computer.
E-40
Possible Cause
1. Power supply problem.
2. Power is not turned on.
3. Volume setting is too low.
4. The MODE switch is in the CASIO
CHORD or FINGERED position.
5. LOCAL CONTROL is off.
6. MIDI data has changed the VOLUME
and EXPRESSION settings to 0.
Low battery power
Accompaniment volume is set to 000.
Touch response is turned off.
Keyboard is waiting for play of the correct
note during Step 1 or Step 2 play.
Power on alert is reminding you that pow-
er was left on without any operation be-
ing performed.
Transpose or tuning is set to a value other
than 00.
Track other than Track 1 is selected as the
recording track.
Wrong SOUND RANGE SHIFT setting
The computer's MIDI THRU function is
turned on.
ACCOMP MIDI OUT is turned off.
Action
1. Correctly attach the AC adaptor, make
sure that batteries poles (+/–) are fac-
ing correctly, and check to make sure
that batteries are not dead.
2. Press the POWER button to turn on
power.
3. Use the VOLUME slider to increase vol-
ume.
4. Normal play is not possible on the ac-
companiment keyboard while the
MODE switch is set to CASIO CHORD
or FINGERED. Change the MODE
switch setting to NORMAL.
5. Turn on LOCAL CONTROL.
6. Adjust both parameters.
Replace the batteries with a set of new ones
or use the AC adaptor.
Use the ACCOMP VOLUME button to in-
crease the volume.
Press the TOUCH RESPONSE button to
turn it on.
1. Press the lit key to continue with Step 1
or Step 2 play.
2. Press the START/STOP button to quit
Step 1 or Step 2 play.
Press any button or keyboard key to restore
power to normal.
Use the TRANSPOSE/TUNE/MIDI button
to display the applicable setting screens and
set both transpose and tuning to 00.
Use the track select buttons to select Track
1. (Track 2 is melody track.)
Use the TRANSPOSE/TUNE/MIDI button
to display the SOUND RANGE SHIFT
screen and correct the setting.
Turn off the MIDI THRU function on the
computer or turn off LOCAL CONTROL
on the keyboard.
Turn on ACCOMP MIDI OUT.
See page
Page E-12
Page E-14
Page E-14
Page E-16
Page E-37
Page E-39
Page E-12
Page E-19
Page E-34
Page E-22
Page E-23
Page E-13
Page E-36
Page E-25
Page E-38
Page E-37
Page E-37
474A-E-042A
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