Technical Reference
Troubleshooting
Be sure to check the following table whenever you experience problems with keyboard operation.
Symptom |
| Cause |
| Action |
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| See Page | |
• No sound when keyboard keys | 1. | Power supply problem. | 1. | Correctly | attach | the | AC | Page |
are pressed. |
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| adaptor, | make | sure | that |
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| batteries |
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| correctly, and check to make |
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| sure that batteries are not dead. |
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| 2. | Volume setting is too low. | 2. | Use the MAIN VOLUME slider | Page | |||
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| to increase volume. |
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| 3. | Headphones are plugged into | 3. | Unplug the headphones from | Page | |||
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| the keyboard. |
| the PHONES/OUTPUT jack. |
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| 4. | The POWER/MODE selector is | 4. | Normal play is not possible on | Page | |||
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| in the CASIO CHORD or |
| the accompaniment keyboard |
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| FINGERED position. |
| while the | POWER/MODE |
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| selector is set to CASIO |
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| CHORD | or FINGERED. |
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| Change the POWER/MODE |
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| selector setting to NORMAL. |
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| 5. | Tone “99 PERCUSSION” is | 5. | While “99 PERCUSSION” is | Page | |||
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| selected and you are pressing |
| selected, you can use only keys |
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| keys that are not assigned tones. |
| that are marked on the console |
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| with illustrations of percussion |
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| instruments. |
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| 6. | LOCAL CONTROL is off. | 6. | Turn on LOCAL CONTROL. | Page | |||
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• Any of the following symptoms | • Low battery power | • Replace the batteries with a set | Page | |||||
while using battery power. |
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| of new ones or use the AC |
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| adaptor. |
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•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
•Loss of power, sound distortion, or low volume when playing from a connected computer or MIDI device
•Abnormally low microphone volume
•Distortion of microphone input
•Dim power supply indicator when a microphone is used
• Key light stays on. | • Keyboard is waiting for play of | 1. | Press the lit key to continue with | Pages |
| the correct note during Step 1 |
| Step 1 or Step 2 play. | |
| or Step 2 play. | 2. | Press the START/STOP button | Pages |
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| to quit Step 1 or Step 2 play. | |
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• Keyboard keys light but no | • Power on alert is telling you that | • Press any button or keyboard | Page | |
sound is produced. | power is left on. |
| key to resume normal |
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| operation with the keyboard in |
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| its initial power on setting. |
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