Technical Reference

Troubleshooting

Be sure to check the following table whenever you experience problems with keyboard operation.

Symptom

 

Cause

 

Action

 

 

See Page

• No sound when keyboard keys

1.

Power supply problem.

1.

Correctly

attach

the

AC

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are pressed.

 

 

 

adaptor,

make

sure

that

 

 

 

 

 

batteries (+/–) are facing

 

 

 

 

 

correctly, and check to make

 

 

 

 

 

sure that batteries are not dead.

 

 

2.

Volume setting is too low.

2.

Use the VOLUME slider to

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increase volume.

 

 

 

 

3.

Headphones are plugged into

3.

Unplug the headphones from

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the keyboard.

 

the PHONES/OUTPUT jack.

 

 

4.

The POWER/MODE selector is

4.

Normal play is not possible on

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in the CASIO CHORD or

 

the accompaniment keyboard

 

 

 

FINGERED position.

 

while the

POWER/MODE

 

 

 

 

 

selector is set to CASIO

 

 

 

 

 

CHORD

or FINGERED.

 

 

 

 

 

Change the POWER/MODE

 

 

 

 

 

selector setting to NORMAL.

 

 

5.

Tone “99 PERCUSSION” is

5.

While “99 PERCUSSION” is

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selected and you are pressing

 

selected, you can use only keys

 

 

 

keys that are not assigned tones.

 

that are marked on the console

 

 

 

 

 

with illustrations of percussion

 

 

 

 

 

instruments.

 

 

 

 

 

 

 

• Any of the following symptoms

• Low battery power

• Replace the batteries with a set

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while using battery power.

 

 

 

of new ones or use the AC

 

 

 

 

 

adaptor.

 

 

 

 

•Instrument does not turn on

•Display that is flickering, dim, or difficult to read

•Abnormally low speaker/headphone volume

•Distortion of sound output

•Occasional interruption of sound when playing at high volume

•Sudden power failure when playing at high volume

•Flickering or dimming of the display when playing at high volume

•Continued sound output even after you release a key

•A tone that is totally different from the one that is selected

•Abnormal rhythm pattern and Song Bank play

• Key light stays on.

• Keyboard is waiting for play of

1.

Press the lit key to continue with

Pages

 

the correct note during Step 1

 

Step 1 or Step 2 play.

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or Step 2 play.

2.

Press the START/STOP button

Pages

 

 

 

to quit Step 1 or Step 2 play.

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• RHYTHM button does not

• Keyboard is in the Song Bank

• Press the SONG BANK button

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work.

Mode.

 

to return to the normal mode.

 

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