Casio CTK-4000, CTK-5000 Reference, Troubleshooting, Sound, Action, Symptom, Display, Power Requirements, Included Accessories

Reference

Troubleshooting

	Symptom	Action
Included Accessories
	I can’t find something that should be here.	Carefully check inside all of the packing materials.
Power Requirements
	Power will not turned on.	•	Check the AC adaptor or make sure that the batteries are facing
			correctly (page E-8).
		•	Replace the batteries with new ones or switch over to AC adaptor
			power (page E-8).
	The Digital Keyboard outputs a loud sound and then	Replace the batteries with new ones or switch over to AC adaptor
	suddenly powers down.	power (page E-8).
	The Digital Keyboard suddenly powers down after a	This happens when Auto Power Off (page E-9) is triggered.
	few minutes.
Display
	The display keeps going out or are flashing.	Replace the batteries with new ones or switch over to AC adaptor
		power (page E-8).
	On-screen keyboard keys or notes remain on the	A Step Up Lesson is in progress and the Digital Keyboard is waiting
	display.	for you to play the next note in the song. To stop this from happening,
		cancel the lesson (page E-31).
	Screen contents are visible only from straight ahead.	This is dues to production limitations. It does not indicate malfunction.
Sound
	Nothing happens when I press any keyboard key.	• Adjust the main volume setting (page E-9).
		• Check if something is plugged into em (CTK-4000: PHONES/
			OUTPUT jack) (CTK-5000: PHONES jack) on the back of the
			Digital Keyboard.
		•	If there is no sampled sound in memory, nothing will play if you
			press a keyboard key while a tone in the range of 671 to 678 (CTK-
			4000: 571 to 578) is selected (page E-18).
		•	Turn power off and then back on to initialize all keyboard settings
			(page E-9).
	Nothing happens or notes do not play normally when	Press bm to disable chord input in the accompaniment keyboard area
	I play notes on the left side of the keyboard.	(page E-37).
	Nothing happens when I start an Auto	• With rhythms 190, and 192 to 200 (CTK-4000: 170, and 172 to
	Accompaniment.		180), nothing will sound until you play a chord on the keyboard. Try
			playing a chord (page E-37).
		• Check and adjust the accompaniment volume setting (page E-40).
		• If there is no user rhythm stored in memory, Auto Accompaniment
			will not start when you press bl while a rhythm in the range of 201
			to 210 (CTK-4000: 181 to 190) is selected (page E-42).
		•	Turn power off and then back on to initialize all Digital Keyboard
			settings (page E-9).
	Nothing happens when I start playback of a built-in	•	It takes a little time after you press the button until the song starts to
	song.		play. Wait for a moment for the song to start.
		• Check and adjust the song volume (page E-28).
		•	If there is no user song stored in memory, song playback will not
			start when you press bl while a song in the range of 153 to 162 is
			selected (page E-28).
		•	Turn power off and then back on to initialize all Digital Keyboard
			settings (page E-9).

E-70