Casio LK-215 - Manual (Page 46)

E-44
Troubleshooting
No keyboard sound
Any of the following symptoms
while using battery power.
Auto Accompaniment does not
sound.
Key light stays on.
Keys are lit though no sound is
being produced.
Cannot record chord
accompaniment data on a computer.
Static noise when a microphone is
connected.
Problem Possible Cause See page Action
(1) Power supply problem.
(2) Power is not turned on.
(3) Volume setting is too low.
(4) The POWER/MODE switch is
in the CASIO CHORD or
FINGERED position.
(5) LOCAL CONTROL is off.
Low battery power
Accompaniment volume is set to
000.
Keyboard is waiting for play of
the correct note during Step 1 or
Step 2 play.
Power on alert is reminding you
that power was left on without
any operation being performed.
ACCOMP OUT is turned off.
Use of the microphone in the
vicinity of fluorescent lighting.
Page E-13
Page E-16
Page E-16
Page E-29
Page E-38
Pages
E-12, 13
Page E-33
Pages
E-25, 26
Pages
E-25, 26
Page E-14
Page E-38
Page E-17
(1) Correctly attach the AC
adaptor, make sure that
batteries poles (+/–) are facing
correctly, and check to make
sure that batteries are not dead.
(2) Adjust the POWER/MODE
switch to turn on power.
(3) Use the MAIN VOLUME slider
to increase volume.
(4) Normal play is not possible on
the accompaniment keyboard
while the POWER/MODE
switch is set to CASIO CHORD
or FINGERED. Change the
POWER/MODE switch setting
to NORMAL.
(5) Turn on LOCAL CONTROL.
Replace the batteries with a set of
new ones or use the AC adaptor.
Use the FUNCTION (LK-215:
TOUCH RESPONSE/FUNCTION)
button to increase the volume.
• Press the lit key to continue with
Step 1 or Step 2 play.
• Press the PLAY/STOP button to
quit Step 1 or Step 2 play.
Press any button or keyboard key
to restore power to normal.
Turn on ACCOMP OUT.
Move the microphone away from
source of the static.
• Dim power supply indicator
• Instrument does not turn on
• Dim, difficult to read display
• Abnormally low speaker/headphone volume
• Distortion of sound output
• Occasional interruption of sound when playing at high volumes
• Sudden power failure when playing at high volumes
• Dimming of the display when playing at high volume
• Continued sound output even after you release a key
• A totally different tone may sound
• Abnormal rhythm pattern and demo tune play
• Abnormally low microphone volume
• Distortion of microphone input
• Dim power supply indicator when a microphone is used
• Sudden power failure when using the microphone
• Dimming of keyboard lights when notes sound
• Loss of power, sound distortion, or low volume when playing from a connected computer