Casio PX-400R Troubleshooting

Troubleshooting

Problem		Cause			Action		See Page
No sound is produced when I press a	1.	The MAIN VOLUME knob is set to	1.	Rotate the MAIN VOLUME knob			Page E-6
digital piano key.		“MIN”.		more towards “MAX”.
	2.	Headphones are connected to the	2.	Unplug the headphones from the			Page E-5
		digital piano.		digital piano.
	3.	MIDI Local Control is turned off.	3.	Turn on the Local Control setting.			Page E-27
	4.	Check the current accompaniment	4.	Change the accompaniment mode			Page E-11
		mode setting. Normally, the		setting to NORMAL.
		accompaniment keyboard will not
		produce any note while CASIO
		CHORD or FINGERED is selected
		as the accompaniment mode.
The pitch of the digital piano is off.	1.	The digital piano’s key setting is	1.	Change the key setting to “C”, or			Page E-21
		something other than “C”.		turn digital piano power off and
				then back on again.
	2.	The digital piano tuning is incorrect.	2.	Adjust digital piano tuning, or turn			Page E-26
				digital piano power off and then
				back on again.
Demo play seems to start, but I can’t	1.	The MAIN VOLUME knob is set to	1.	Rotate the MAIN VOLUME knob			Page E-6
hear anything.		“MIN”.		more towards “MAX”.
	2.	Headphones are connected to the	2.	Unplug the headphones from the			Page E-5
		digital piano.		digital piano.
Digital piano memory contents seem	The lithium battery used for memory		Contact your nearest CASIO service				Page A-7
to disappear.	backup is dead.		center to have the lithium battery
			replaced.
When I play something on the digital	1.	This digital piano’s send channel	1.	Configure the digital piano and the			Page E-27
piano, my connected external MIDI		does not match the send channel of		external MIDI sound source to their
sound source does not sound.		the external MIDI sound source.		send channels match.
	2.	The volume or expression setting of	2.	Adjust the volume and expression			External sound
		the external sound source is “0”.		settings of the external sound			source user’s
				source.			guide
Auto Accompaniment does not sound.	The accompaniment volume setting is		Use the ACCOMP/SONG VOLUME				Page E-13
	“000”.		button to increase accompaniment
			volume.
The sound output by the digital piano	Touch Response is turned off.		Use the SETTING button to turn on				Page E-26
does not change regardless of how			Touch Response.
much keyboard pressure I use.
When playing together with another	The Tuning or Transpose setting of the		Use		the	TRANSPOSE/KEY	Page E-21, 26
MIDI instrument, keys and tunings do	digital piano is something other than		CONTROL button or the SETTING
not match.	“00”.		button to change the transpose and
			tuning settings to “00”.
I am not able to record Auto	Track 2 (melody-only track), is		In record standby, use the TRACK				Page E-22
Accompaniment or rhythm patterns.	specified as the recording track.		button to select Track 1.
When connected to a computer over a	The computer’s MIDI THRU function		Turn off MIDI THRU on the computer,				Page E-27
MIDI connection, playing on the	is turned on.		or use the digital piano’s CONTROL
keyboard produces unnatural sounds.			button to turn off Local Control.
I can’t record chord accompaniment	Accomp MIDI Out is turned off.		Use the SETTING button to turn on				Page E-27
data on my computer.			Accomp MIDI Out.
The microphone does not work.	1.	The microphone volume setting is	1.	Increase microphone volume.			Page E-20
		too low.
	2.	The microphone’s switch is turned	2.	Turn on the microphone’s switch.			Page E-20
		off.
There is noise in the microphone	Nearby fluorescent lighting or other		Move the microphone away from the				Page E-20
output.	digital noise source.		source of the noise.

419A-E-037B E-35

PX400R_e_29-37.p65 35 04.8.24, 4:34 PM