Troubleshooting

 

Problem

 

 

 

Possible Cause

Action

See

 

No keyboard Sound

 

1. Power supply problem.

1. Correctly attach the AC

Pages

 

 

 

 

 

 

 

adaptor, make sure that

E-13, 14

 

 

 

 

 

 

 

batteries poles (+/–) are

 

 

 

 

 

 

 

 

facing correctly, and check

 

 

 

 

 

 

 

 

to make sure that batteries

 

 

 

 

 

 

 

 

are not dead.

 

 

 

 

 

 

2. Power is not turned on.

2. Set the POWER/MODE

Page E-17

 

 

 

 

 

 

 

switch to the NORMAL

 

 

 

 

 

 

 

 

position.

 

 

 

 

 

 

3. Volume setting is too low.

3. Use the MAIN VOLUME

Page E-17

 

 

 

 

 

 

 

buttons to increase volume.

 

 

 

 

 

 

4. The

POWER/MODE

4. Normal play is not possible

Page E-17

 

 

 

 

 

switch is in the CASIO

on the accompaniment

 

 

 

 

 

 

CHORD or FINGERED

keyboard while the

 

 

 

 

 

 

position.

POWER/MODE switch is

 

 

 

 

 

 

 

 

set to CASIO CHORD or

 

 

 

 

 

 

 

 

FINGERED. Change the

 

 

 

 

 

 

 

 

POWER/MODE switch

 

 

 

 

 

 

 

 

setting to NORMAL.

 

 

 

 

 

 

 

 

Any of

the following

Low battery power

Replace the batteries with a

Pages

 

symptoms

while

using

 

 

set of new ones or use the AC

E-13, 14

 

battery power.

 

 

 

 

adaptor.

 

 

• Dim power indicator

 

 

 

 

 

• 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

 

 

 

 

 

 

 

 

 

 

 

Auto Accompaniment does

Auto accompaniment volume

Use the ACCOMP VOLUME

Page E-24

 

not sound.

 

 

 

is set to 0.

button to increase the volume.

 

 

 

 

 

 

 

 

 

 

 

E-32

 

 

 

 

 

 

277A-E-034A

CTK230_E32-35.p65

 

 

 

32

 

03.10.7, 2:02 PM