Reference; Troubleshooting - Casio Casiotone CT-S1 User Manual

Reference

Troubleshooting

Symptom
Included Accessories
I can't find included items during
unpacking.
Power Requirements
Power does not turn on.
The Digital Keyboard suddenly turns off
after outputting a loud sound.
The Digital Keyboard suddenly turns off
after about 30 minutes.
Sound
Nothing happens when I press a
keyboard key.
The metronome does not sound.
Notes keep sounding, without stopping.
Some notes are cut off while they are
playing.
The volume level or tone setting I
configured has changed.
With certain volume levels and tones,
the sound of notes played in one
keyboard range will sound different from
those played in another keyboard
range.
With some tones, octaves do not
change at the far ends of the keyboard.
Required Action
Carefully check inside all of the packing materials.
• Check the AC adaptor or make sure that the batteries
are facing correctly (page EN-6).
• Replace the batteries with new ones. Or use AC
adaptor power (page EN-6).
• Replace the batteries with new ones. Or use AC
adaptor power (page EN-6).
• Lower the volume setting of the external device.
Disable Auto Power Off (page EN-14).
• Adjust the volume level (page EN-15).
• Confirm that nothing is plugged into the PHONES/
OUTPUT jack on the back of the Digital Keyboard.
• Try turning this Digital Keyboard off and then back on
again (page EN-13) to initialize settings.
• Check and adjust the metronome volume level (page
EN-15).
• Try turning this Digital Keyboard off and then back on
again (page EN-13) to initialize settings.
• Try turning this Digital Keyboard off and then back on
again (page EN-13) to initialize settings.
• Replace the batteries with new ones. Or use AC
adaptor power (page EN-6).
This happens whenever the number of notes being
sounded exceeds the maximum polyphony value of 64
(32 for some tones). It does not indicate malfunction.
• Adjust the volume level (page EN-15).
• Try turning this Digital Keyboard off and then back on
again (page EN-13) to initialize settings.
• Replace the batteries with new ones. Or use AC
adaptor power (page EN-6).
This is due to system limitations and does not indicate
malfunction.
This is due to system limitations, and does not indicate
malfunction.
EN-71