Reference; Troubleshooting - Casio CDP-S90 User Manual

Reference

Troubleshooting

Symptom
Included Accessories
I can't find something that should be here.
Power Requirements
Power will not turned on.
Power does not turn on when I press the 1P
(Power) button.
The Digital Piano outputs a loud sound and then
suddenly powers down.
The Digital Piano suddenly turns off after some time
when power is left on.
Sound
Nothing happens when I press any keyboard key.
The metronome does not sound.
Notes keep sounding, without stopping.
Some notes are cut off while they are playing.
The volume or tone setting I made has changed.
Output volume does not change even though I
change my keyboard touch.
In certain keyboard ranges, the volume and tone
quality sound are slightly different from those in other
keyboard ranges.
The pitch of the notes does not match other
accompanying instruments or sounds strange when
played along with other instruments.
The reverb of notes seems to change suddenly.
EN-18
Action
Carefully check inside all of the packing materials.
• Check the AC adaptor or make sure that the batteries are facing
correctly (page EN-3).
• Replace the batteries with new ones or switch over to AC adaptor
power (page EN-3).
Press 1P (Power) firmly and completely to turn on power.
Replace the batteries with new ones or switch over to AC adaptor
power (page EN-3).
Auto Power off (page EN-5) may have been triggered. Press the
1P (Power) button to turn power back on.
• Adjust the volume setting (page EN-5).
• Check if something is plugged into 7 PHONES/OUTPUT jack on
the back of the Digital Piano.
• Turn power off and then back on to initialize all Digital Piano
settings (page EN-5).
• Check and adjust the metronome volume setting (page EN-11).
• Turn power off and then back on to initialize all Digital Piano
settings (page EN-5).
• Turn power off and then back on to initialize all Digital Piano
settings (page EN-5).
• Replace the batteries with new ones or switch over to AC adaptor
power (page EN-3).
Notes are cut off whenever the number of notes being sounded
exceeds the maximum polyphony value of 64 (32 for some tones).
This does not indicate malfunction.
• Adjust the volume setting (page EN-5).
• Turn power off and then back on to initialize all Digital Piano
settings (page EN-5).
• Replace the batteries with new ones or switch over to AC adaptor
power (page EN-3).
• Change the Touch Response setting (page EN-11).
• Turn power off and then back on to initialize all Digital Piano
settings (page EN-5).
This is due to system limitations. It does not indicate malfunction.
• Check and adjust the transpose (page EN-12) and tuning settings
(page EN-13).
• Turn power off and then back on to initialize all Digital Piano
settings (page EN-5).
• Check and adjust the reverb setting (page EN-9).
• Turn power off and then back on to initialize all Digital Piano
settings (page EN-5).