Casio CTK-230 User Manual download pdf (Page 34)

E-32

No keyboard Sound

Any of the following

symptoms while using

battery power.

• 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

not sound.

1. Power supply problem.

2. Power is not turned on.

3. Volume setting is too low.

4. The POWER/MODE

switch is in the CASIO

CHORD or FINGERED

position.

Low battery power

Auto accompaniment volume

is set to 0.

1. Correctly attach the AC

adaptor, make sure that

batteries poles (+/–) are

facing correctly, and check

to make sure that batteries

are not dead.

2.Set the POWER/MODE

switch to the NORMAL

position.

3. Use the MAIN VOLUME

buttons to increase volume.

4. Normal play is not possible

on the accompaniment

keyboard while the

POWER/MODE switch is

set to CASIO CHORD or

FINGERED. Change the

POWER/MODE switch

setting to NORMAL.

Replace the batteries with a

set of new ones or use the AC

adaptor.

Use the ACCOMP VOLUME

button to increase the volume.

Problem Possible Cause Action

Pages

E-13, 14

Page E-17

Page E-17

Page E-17

Pages

E-13, 14

Page E-24

See

277A-E-034A

Troubleshooting

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