User Manual

22
English
Troubleshooting
If you encounter any problems, first check the items listed below. If the solution provided below does not solve the
problem, or you are experiencing a problem other than those mentioned in the list, turn the power OFF, disconnect
the AC power adaptor and contact the dealer from whom you purchased the instrument to have the instrument
repaired.
Problem Cause Solution
A “pop” like noise occurs when
the power is turned ON.
Electrical current is flowing
through the main amplifier.
This indicates that the device is operating and
is nothing to worry about. If you are using
external speakers, please turn down the
volume on the amplifier before switching the
power ON.
A scratching noise or “pop”
occasionally occurs.
Such a noise may occur when
turning on/off the power of a
household appliance such as a
refrigerator or washing machine,
or when using an electric drill.
Use an AC outlet that is as far away as possible
from the device or machine that may be
causing the noise.
If you cannot find the source of the noise,
please contact the dealer from whom you
purchased the instrument.
Noise occurs from the radio or
TV, etc.
The radio or TV is positioned too
close to the instrument.
Position the radio or TV as far away as possible
from the instrument.
The lamps for the panel buttons
are flashing.
Battery power is low. Use the AC power adaptor or replace all six
batteries with a new set.
The speaker produces no sound
even though the keyboard is
being played.
The volume settings for all notes
are set to the minimum level.
Set the volume to any level other than the
minimum level.
Headphones are connected to
the instrument.
Disconnect the headphones from the
instrument.
The volume of lower notes is
too low.
This is due to the limitations of
the speaker.
Connect the instrument to a keyboard amplifier,
etc.
The sound is distorted. Low frequency sounds are
produced using an external
speaker at a high volume.
Reduce the volume.
The sound of the instrument is
resonant with the closet,
windowpane or other objects
close to the instrument.
Remove the objects that are resonating.
A low-power rated speaker is
connected to the instrument.
Connect a high-power rated speaker.
A speaker rated 100 W or more is
recommended when using this instrument for a
concert band.
Data in the memory has been
lost.
The backup lithium battery’s
power is low.
Contact the dealer from whom you purchased
the instrument and have the battery replaced.
The LCD display is hard to read. The display may be hard to read
depending on the angle.
Adjust the CONTRAST dials on the rear panel.
The sound is distorted when
playing chords.
Battery power is low. Use the AC power adaptor or replace all six
batteries with a new set.