Casio CTK800ES1A Troubleshooting, Action, Problem, See page, Possible Cause

Troubleshooting

Problem		Possible Cause		Action	See page
No keyboard sound	1. Power supply problem.		1.	Correctly attach the AC adaptor,	Pages
				make sure that batteries poles	E-13, 14
				(+/–) are facing correctly, and
				check to make sure that batteries
				are not dead.
	2.	Power is not turned on.	2.	Press the POWER button to turn	Page E-17
				on power.
	3.	Volume setting is too low.	3.	Use the MAIN VOLUME slider	Page E-17
				to increase volume.
	4.	The MODE switch is in the	4.	Normal play is not possible on	Page E-32
		CASIO CHORD or FINGERED		the accompaniment keyboard
		position.		while the MODE switch is set to
				CASIO CHORD or FINGERED.
				Change the MODE switch
				setting to NORMAL.
	5.	LOCAL CONTROL is off.	5.	Turn on LOCAL CONTROL.	Page E-50
Any of the following symptoms	Low battery power		Replace the batteries with a set of		Pages
while using battery power.			new ones or use the AC adaptor.		E-13, 14

•Dim power supply indicator

•Instrument does not turn on

•Dim, difficult to read display

•Abnormally low speaker/headphone volume

•Distortion of sound output

•Occasional interruption of sound when playing at high volumes

•Sudden power failure when playing at high volumes

•Dimming of the display when playing at high volume

•Continued sound output even after you release a key

•A totally different tone may sound

•Abnormal rhythm pattern and demo tune play

•Abnormally low microphone volume

•Distortion of microphone input

•Dim power supply indicator when a microphone is used

•Sudden power failure when using the microphone

Auto Accompaniment does not			Accompaniment volume is set to	Use the SETTING button to	Page E-46
sound.			000.	increase the volume.
Sound output does not change			Touch response is turned off.	Press the SETTING button to turn	Page E-45
when key pressure is varied.				it on.
On-screen keyboard guide keys			Keyboard is waiting for play of	1. Press the lit key to continue with	Pages
stay on.			the correct note during Step 1 or	Step 1 or Step 2 play.	E-25, 26
			Step 2 play.	2. Press the PLAY/STOP button to	Pages
				quit Step 1 or Step 2 play.	E-25, 26
When	playing with	another	Transpose or tuning is set to a	Use the SETTING button to display	Pages
instrument, keys or tunings do not			value other than 00.	the applicable setting screens and	E-45, 46
match.				set both transpose and tuning to
				00.
Cannot	record	Auto	Track other than Track 1 is selected	Use the track select buttons to select	Page E-40
Accompaniment or rhythm.			as the recording track.	Track 1. (Track 2 is melody track.)

706A-E-053A E-51