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EZ-220 Owner’s Manual
44
Troubleshooting
Problem Possible Cause and Solution
When the instrument is turned on or off, a pop-
ping sound is temporarily produced.
This is normal and indicates that the instrument is receiving electrical power.
The power is automatically turned off.
This is normal and due to the Auto Power Off function. If necessary, set the
parameter of the Auto Power Off function (page 11).
When using a mobile phone, noise is produced.
Using a mobile phone in close proximity to the instrument may produce inter-
ference. To prevent this, turn off the mobile phone or use it further away from
the instrument.
There is no sound even when the keyboard is
played or when a Song or Style is being played
back.
Check that nothing is connected to the PHONES/OUTPUT jack on the rear
panel. When a set of headphones is plugged into this jack, no sound is output.
Check the Local Control on/off. (See page 41.)
Playing keys in the right-hand area of the key-
board does not produce any sound.
When using the Chord Dictionary function (page 38), the keys in the right-
hand area are used only for entering the chord root and type.
• The volume is too soft.
• The sound quality is poor.
• The rhythm stops unexpectedly or will not play.
• All settings have been restored to their defaults.
• The Song, etc. does not play correctly.
The batteries are low or dead. Replace all six batteries with completely new
ones or already-recharged ones, or use the optional AC adaptor.
The Style or Song does not play back when the
[START/STOP] button is pressed.
Is External Clock set to ON? Make sure External Clock is set to OFF; refer to
“External Clock Settings” on page 41.
The Style does not sound properly
Make sure that the Style Volume (page 39) is set to an appropriate level.
Is the Split Point set at an appropriate key for the cords you are playing?
Set the Split Point at an appropriate key (page 39). Is the “ACMP ON” indica-
tor showing in the display? If it is not, press the [ACMP ON/OFF] button so
that it does show.
No rhythm accompaniment plays when the
[START/STOP] button is pressed after selecting
one of the Style numbers 093–100 (Pianist).
This is not a malfunction. Style numbers 093–100 (Pianist) have no rhythm
parts, so no rhythm will play. The other parts will begin playing when you
play a chord in the accompaniment range of the keyboard if Auto Accompani-
ment is turned on.
Not all of the voices seem to sound, or the sound
seems to be cut off.
The instrument is polyphonic up to a maximum of 32 notes. If a style or Song
is playing back at the same time, some notes/sounds may be omitted (or “sto-
len”) from the accompaniment or Song.
The footswitch (for sustain) seems to produce the
opposite effect. For example, pressing the foot-
switch cuts off the sound and releasing it sustains
the sounds.
The polarity of the footswitch is reversed. Make sure that the footswitch plug
is properly connected to the SUSTAIN jack before turning on the power.
The ACMP ON indicator does not appear when
the [ACMP ON/OFF] button is pressed.
Always press the [STYLE] button first when you are going to use any style-
related function.
The part indications, such as Right, Left and Both
Hands, do not appear—even when pressing the
[R] or [L] buttons for the Lesson.
Make sure that you are not pressing the [R] or [L] buttons while the Song is
playing. If you press one of the part buttons while playing the Song and before
starting the Lesson, these buttons serve to mute the corresponding Song parts.
Stop the Song first, then select the desired part and start the Lesson.
The sound of the voice changes from note to
note.
The AWM tone generation method uses multiple recordings (samples) of an
instrument across the range of the keyboard; thus, the actual sound of the
voice may be slightly different from note to note.
A faint, high-pitched mosquito-like sound may
be
heard from the internal speaker.
This is normal. Since the trigger for the Page Turn function uses audio signals
(around 18kHz) output from the instrument speakers which are received by
the iPad microphone, those audio signals may be heard. When you are not
using the Page Turner function, it is a good idea to turn this function off.
When a Style is in use, the Page Turner function
cannot be used even if the button is pressed.
This is normal. The Page Turner function can be used when the Song or Les-
son is in use.
Appendix
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