Troubleshooting

 

 

 

 

 

 

Symptom

 

Possible Cause

 

Action

Reference

 

 

 

 

 

 

No sound produced when keyboard

1.

VOLUME knob set to MIN.

1.

Move the VOLUME knob more

Page E-12

keys are pressed.

 

 

 

towards MAX.

 

 

2.

Headphones connected to the

2.

Disconnect the headphones from

Page E-11

 

 

digital piano.

 

the digital piano.

 

 

3.

Local Control turned off.

3.

Turn on Local control.

Page E-24

 

 

 

 

 

 

Keyboard out of tune.

1.

Transpose is set to a value other

1.

Change the transpose setting to 0,

Page E-20

 

 

than 0.

 

or turn the digital piano power off

 

 

 

 

 

and then back on again.

 

 

2.

Incorrect tuning setting

2.

Correct the tuning setting, or turn

Page E-21

 

 

 

 

the digital piano power off and

 

 

 

 

 

then back on again.

 

 

 

 

 

 

 

No sound produced by demo tune

1.

VOLUME knob set to MIN.

1.

Move the VOLUME knob more

Page E-12

play.

 

 

 

towards MAX.

 

 

2.

Headphones connected to the

2.

Disconnect the headphones from

Page E-11

 

 

digital piano.

 

the digital piano.

 

 

 

 

 

Memory contents deleted.

Lithium battery is dead.

Contact your CASIO Service Provider

Page E-28

 

 

 

for replacement of the lithium battery.

 

 

 

 

 

 

 

No sound produced by connected

1.

The digital piano Keyboard

1.

Change the Keyboard Channel

Page E-23

external MIDI sound source when

 

Channel does not match the

 

settings so they are identical.

 

the digital piano keys are pressed.

 

Keyboard Channel of the MIDI

 

 

 

 

 

sound source.

 

 

 

 

2.

Volume or expression setting of

2.

Change the volume or expression

See the

 

 

the external sound source is set to

 

setting of the external sound source

documenta-

 

 

0.

 

to an appropriate value.

tion that

 

 

 

 

 

comes with

 

 

 

 

 

the external

 

 

 

 

 

sound

 

 

 

 

 

source.

 

 

 

 

 

 

E-26

424A-E-028A

PS20_E_26-29.p65

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Casio PS-20 manual Troubleshooting, Reference