Casio AP-31, AP-31V, AP-33, AP-33V Troubleshooting

Troubleshooting

Symptom		Possible Cause		Action	Reference
No sound produced when keyboard	1.	VOLUME knob set to MIN.	1.	Move VOLUME knob more to-	Page E-12
keys are pressed.				wards the MAX side.
	2.	Headphones connected to the pi-	2.	Disconnect the headphones from	Page E-10
		ano.		the piano.
	3.	Local Control turned off.	3.	Turn on Local control.	Page E-24
Keyboard out of tune.	1.	Transpose is set to a value other	1.	Change the transpose setting to 0,	Page E-19
		than 0.		or turn CELVIANO power off and
				then back on again.
	2.	Incorrect tuning setting	2.	Correct the tuning setting, or turn	Page E-20
				CELVIANO power off and then
				back on again.
Pedal effect continues to be applied	Problem with the connection be-		Turn off CELVIANO power and then		Page E-29
even though pedals are not pressed.	tween the pedals and piano.		check to make sure that the pedal plug
			is securely connected to the piano’s
			pedal connector.
No sound produced by demo tune	1.	VOLUME knob set to MIN.	1.	Move VOLUME knob more to-	Page E-12
play.				wards the MAX side.
	2.	Headphones connected to the pi-	2.	Disconnect the headphones from	Page E-10
		ano.		the piano.
Memory contents deleted.	Lithium battery is dead.		Contact your CASIO Service Provid-		Page E-7
			er for replacement of the lithium bat-
			tery.
No sound produced by connected ex-	1.	CELVIANO Keyboard Channel	1.	Change the Keyboard Channel set-	Page E-22
ternal MIDI sound source when		does not match the Keyboard		tings so they are identical.
CELVIANO keys are pressed.		Channel of the MIDI sound source.
	2.	Volume or expression setting of	2.	Change the volume or expression	See the doc-
		the external sound source is set to		setting of the external sound source	umentation
		0.		to an appropriate value.	that comes
					with the ex-
					ternal sound
					source.

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