Yamaha 01C Owner's Manual - Page 231

Troubleshooting, Problem, Possible Cause and Solution

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Troubleshooting Problem Possible Cause and Solution GENERAL OPERATION The sound is not heard for about 10 seconds after turning the power on. This is normal; the Electone takes a while to start up. A cracking noise is sometimes heard. Noise may be produced when either an electrical appliance is turned on or an electric power tool (such as drill) is used in the proximity of the Electone. If this occurs, plug the Electone into an electrical outlet located as far as possible from the device that seems to be the source of the problem. Interference from radio, TV, or other sources occurs. This is caused by the proximity of a high-power broadcasting station, an amateur ham radio setup or a mobile phone. The sound of the Electone causes surrounding objects to resonate. Because the Electone is capable of producing powerful bass sounds, resonance may be caused in surrounding objects, such as cabinets or glass windows. To avoid this, relocate the objects or lower the Electone's volume. In the LCD display, there are some black points (unlit) Unfortunately, this is a common characteristic of TFT-LCDs. or white points (always lit). Some buttons on the panel do not respond. The UPPER/LOWER ORGAN FLUTES and LEAD VOICE 2 buttons are invalid on the ELS-01. If you upgrade the ELS-01 to the ELS-01C, these buttons can be used. Some of the LEDs in the DISPLAY SELECT section do not light. The LEDs of on/off buttons (UPPER/LOWER ORGAN FLUTES, VOICE EDIT, RHYTHM PROGRAM, and ROTARY SP SPEED) are lit when those functions are turned on. The LEDs of other function's buttons momentarily light when the functions are selected. The sound is too small even when the volume is set to its maximum. • The Master Volume may be set around the minimum position. Turn it clockwise. • The Expression Pedal may not be pressed down. Press it down with your toe. • The POWER switch of the speaker may have been turned off. Turn it on. • (For the ELS-01C) The REAR SPEAKER switch may have been set to OFF. Switch it to ON. The Electone panel does not function normally or the content of the memorized data has changed. This happens very rarely. Occasionally, power surges and spikes due to electrical storms or other reasons may cause the Electone to malfunction and/ or alter the contents of memorized data. If this happens, perform the Factory Set operation to reset the Electone (page 21). VOICES/RHYTHMS The pitch may sound excessively high on the Pedalboard and low in the higher registers of the Lower and Upper keyboards. This may occur when you compare the Electone's sounds with that of a piano. Because of the difference of the harmonics structure, the tuning system of the Electone is different from the piano in the higher and lower ranges. Some of the Voices may contain cracking and/or noisy You may find these mainly in the wind instrument Voices. These are purposely sounds. added effects to the Voices to reproduce the characteristics of the wind instruments such as the pipe vibrations, breath noises and squeaks. When too many keys are pressed, not all of the notes Total polyphonic capacity (notes sounding for both Upper and Lower sound. Keyboards) is 14 notes. When you turn the Pedal Polyphonic mode to on, the total is 14 for all keyboards, Upper, Lower and Pedalboard. Only one sound is heard when two notes of the Lead For practical performance reasons, the Electone has been designed so that or Pedal Voices are simultaneously played. only one note of the Lead or Pedal Voices can be played at a time. If you want, the pedal Voice can be set to polyphonic mode (page 40). The Pedal Voices do not sound, even though the volume is properly set. • The Single Finger or Fingered Chord mode of Auto Bass Chord is on. Turn off the mode in the display (page 62). • TO LOWER buttons in the Pedal Voice sections are turned on. Turn the function off (page 26). Appendix When selecting a User button Voice or rhythm, the Voice or rhythm title at the top of the LCD does not match the selected Voice or rhythm. The currently assigned Voice or rhythm is displayed at the top of the LCD, and remains until another Voice or rhythm has been selected. 14 ELS-01/01C Owner's Manual 231

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Appendix
14
ELS-01/01C Owner’s Manual
231
Troubleshooting
Problem
Possible Cause and Solution
GENERAL OPERATION
The sound is not heard for about 10 seconds after
turning the power on.
This is normal; the Electone takes a while to start up.
A cracking noise is sometimes heard.
Noise may be produced when either an electrical appliance is turned on or an
electric power tool (such as drill) is used in the proximity of the Electone. If this
occurs, plug the Electone into an electrical outlet located as far as possible
from the device that seems to be the source of the problem.
Interference from radio, TV, or other sources occurs.
This is caused by the proximity of a high-power broadcasting station, an
amateur ham radio setup or a mobile phone.
The sound of the Electone causes surrounding
objects to resonate.
Because the Electone is capable of producing powerful bass sounds,
resonance may be caused in surrounding objects, such as cabinets or glass
windows. To avoid this, relocate the objects or lower the Electone’s volume.
In the LCD display, there are some black points (unlit)
or white points (always lit).
Unfortunately, this is a common characteristic of TFT-LCDs.
Some buttons on the panel do not respond.
The UPPER/LOWER ORGAN FLUTES and LEAD VOICE 2 buttons are invalid
on the ELS-01. If you upgrade the ELS-01 to the ELS-01C, these buttons can
be used.
Some of the LEDs in the DISPLAY SELECT section do
not light.
The LEDs of on/off buttons (UPPER/LOWER ORGAN FLUTES, VOICE EDIT,
RHYTHM PROGRAM, and ROTARY SP SPEED) are lit when those functions
are turned on. The LEDs of other function’s buttons momentarily light when the
functions are selected.
The sound is too small even when the volume is set to
its maximum.
•
The Master Volume may be set around the minimum position. Turn it
clockwise.
•
The Expression Pedal may not be pressed down. Press it down with your
toe.
•
The POWER switch of the speaker may have been turned off. Turn it on.
•
(For the ELS-01C) The REAR SPEAKER switch may have been set to OFF.
Switch it to ON.
The Electone panel does not function normally or the
content of the memorized data has changed.
This happens very rarely. Occasionally, power surges and spikes due to
electrical storms or other reasons may cause the Electone to malfunction and/
or alter the contents of memorized data. If this happens, perform the Factory
Set operation to reset the Electone (page 21).
VOICES/RHYTHMS
The pitch may sound excessively high on the
Pedalboard and low in the higher registers of the
Lower and Upper keyboards.
This may occur when you compare the Electone’s sounds with that of a piano.
Because of the difference of the harmonics structure, the tuning system of the
Electone is different from the piano in the higher and lower ranges.
Some of the Voices may contain cracking and/or noisy
sounds.
You may find these mainly in the wind instrument Voices. These are purposely
added effects to the Voices to reproduce the characteristics of the wind
instruments such as the pipe vibrations, breath noises and squeaks.
When too many keys are pressed, not all of the notes
sound.
Total polyphonic capacity (notes sounding for both Upper and Lower
Keyboards) is 14 notes. When you turn the Pedal Polyphonic mode to on, the
total is 14 for all keyboards, Upper, Lower and Pedalboard.
Only one sound is heard when two notes of the Lead
or Pedal Voices are simultaneously played.
For practical performance reasons, the Electone has been designed so that
only one note of the Lead or Pedal Voices can be played at a time. If you want,
the pedal Voice can be set to polyphonic mode (page 40).
The Pedal Voices do not sound, even though the
volume is properly set.
•
The Single Finger or Fingered Chord mode of Auto Bass Chord is on. Turn
off the mode in the display (page 62).
•
TO LOWER buttons in the Pedal Voice sections are turned on. Turn the
function off (page 26).
When selecting a User button Voice or rhythm, the
Voice or rhythm title at the top of the LCD does not
match the selected Voice or rhythm.
The currently assigned Voice or rhythm is displayed at the top of the LCD, and
remains until another Voice or rhythm has been selected.