Troubleshooting

Symptom

 

Cause

 

 

 

ActionSee page

 

 

 

 

 

 

No sound when keyboard keys

1.

Power supply problem.

 

1. Correctly attach the AC

Pages

are pressed.

 

 

 

 

adaptor, make sure that

E-10, 11

 

 

 

 

 

batteries poles (+/–) are

 

 

 

 

 

 

facing correctly, and check to

 

 

 

 

 

 

make sure that batteries are

 

 

 

 

 

 

not dead.

 

 

2.

Main volume is set to 0.

 

2. Press the VOLUME [￿]

Page E-13

 

3.

Headphones are plugged

 

 

button.

 

Page E-12

 

3.

Unplug the headphones

 

 

into the keyboard.

 

 

f r o m

t h e P H O N E S /

 

 

4.

T h e a c c o m p a n i m e n t

 

 

OUTPUT jack.

 

 

4.

Change to the NORMAL

Page E-16

 

 

keyboard does not play

 

 

accompaniment mode.

 

 

 

notes while CASIO CHORD

 

 

 

 

 

 

 

or FINGERED is selected as

 

 

 

 

 

 

 

the accompaniment mode.

 

 

 

 

 

 

5. Some keys are not assigned

5.

Only keyboard keys in the

Page E-14

 

 

a n y s o u n d s w h i l e “ 4 9

 

 

range of C3 through D5 (the

 

 

 

PERCUSSION” is selected as

 

 

o n e s

m a r k e d w i t h

 

 

 

the tone.

 

 

p e rc u s s i o n i n s t ru m e n t

 

 

 

 

 

 

i l l u s t r a t i o n s ) p r o d u c e

 

 

 

 

 

 

s o u n d s w h i l e “ 4 9

 

 

 

 

 

 

PERCUSSION” is selected as

 

 

6.

Playing the keyboard does

 

 

the tone.

Pages

 

 

6. Stop Song Bank tune or

 

 

not produce any sound

 

 

demo tune playback.

E-13, 20

 

 

during playback of a Song

 

 

 

 

 

 

 

Bank tune or demo tune.

 

 

 

 

 

 

 

 

 

 

Any of the following symptoms

Low battery power

 

Replace the batteries with a set

Pages

while using battery power.

 

 

 

of new ones or use the AC

E-10, 11

• Instrument does not turn on

 

 

 

adaptor.

 

 

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

Auto accompaniment volume is

Use the ACCOMP VOLUME Page E-19

sound.

set to 0.

button to increase the volume.

E-26

274B-E-028A

MA150_e_26-29.p65

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