Troubleshooting - Casio CTK-230 User Manual

Troubleshooting

Problem
No keyboard Sound
Any of the following
symptoms while
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.
E-32
CTK230_E32-35.p65
Possible Cause
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
using
Auto accompaniment volume
is set to 0.
32
Action
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.
03.10.7, 2:02 PM
See
Pages
E-13, 14
Page E-17
Page E-17
Page E-17
Pages
E-13, 14
Page E-24
277A-E-034A