Yamaha YDP-165 YDP-165_YDP-145_YDP-S55_YDP-S35_Owners Manual - Page 32

Appendix, Troubleshooting

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Appendix Troubleshooting Problem Possible Cause and Solution Power suddenly and unexpectedly turns off. This is normal and the Auto Power Off function may have been activated (page 14). If desired, disable the Auto Power Off function. The power of the instrument does not turn on. The plugs are not properly connected. Make sure that the DC plug is securely inserted into the DC IN jack on the instrument, and that the AC plug is securely inserted to the AC outlet (page 13). A click or pop is heard when the power is turned on or off. This is normal when electrical current is being applied to the instrument. Noise is heard from the speakers or headphones. The noise may be due to interference caused by the use of a mobile phone in close proximity to this instrument. Turn off the mobile phone, or move it further away from this instrument. When you use the instrument along with the application on your smart device, we recommend that you set "Airplane Mode" to "ON" on your smart device in order to avoid noise caused by communication. The Master Volume is set too low. Set it to an appropriate level using the [MASTER VOLUME] knob (page 10). The overall volume is low, or no sound is heard. Make sure a pair of headphones or conversion adaptor is not connected to the [PHONES] jack (page 15). The Speaker setting is "Off." Set the Speaker to "Normal" or "On" (page 15). The Volume Limiter setting is "On".Set the Volume Limiter to "Off" (page 14). Make sure that Local Control is On. For details, refer to the "MIDI Reference" (page 8). Pedals do not function. The pedal cord may not be securely connected to the [TO PEDAL] jack. Be sure to insert the pedal cord all the way until the metal part of the cord plug disappears from view (pages 36, 39). The pitch and sound quality of the Piano Voice is wrong in a specific key range. This is no problem. Yamaha develops the Piano Voices so that the original piano sound is reproduced as faithfully as possible. This is why you may hear overtones emphasized in a certain key range, or you may feel that the sound pitch or quality is different from another key range. Playing the keys produces a rattling noise. This is no problem. The keyboard mechanism of this product is designed to simulate the actual noises of an acoustic piano. Such noises are produced even if you play an acoustic piano. The [+R] and [−L] lamps flash when this product is started, when a Song is selected, or when recording is finished. This is no problem. It is because the [+R] and [−L] lamps may flash when the internal processing of this product is taking a long time. Note that no operations are available while these are flashing. 32 YDP-165, YDP-145, YDP-S55, YDP-S35 Owner's Manual

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YDP-165, YDP-145, YDP-S55, YDP-S35 Owner’s Manual
Appendix
Troubleshooting
Problem
Possible Cause and Solution
Power suddenly and unexpectedly turns off.
This is normal and the Auto Power Off function may have been activated
(page 14). If desired, disable the Auto Power Off function.
The power of the instrument does not turn on.
The plugs are not properly connected. Make sure that the DC plug is
securely inserted into the DC IN jack on the instrument, and that the AC
plug is securely inserted to the AC outlet (page 13).
A click or pop is heard when the power is
turned on or off.
This is normal when electrical current is being applied to the instrument.
Noise is heard from the speakers or
headphones.
The noise may be due to interference caused by the use of a mobile phone
in close proximity to this instrument. Turn off the mobile phone, or move it
further away from this instrument.
When you use the instrument along with the application on your smart
device, we recommend that you set “Airplane Mode” to “ON” on your smart
device in order to avoid noise caused by communication.
The overall volume is low, or no sound is heard.
The Master Volume is set too low. Set it to an appropriate level using the
[MASTER VOLUME] knob (page 10).
Make sure a pair of headphones or conversion adaptor is not connected to
the [PHONES] jack (page 15).
The Speaker setting is “Off.” Set the Speaker to “Normal” or “On” (page 15).
The Volume Limiter setting is “On”.Set the Volume Limiter to “Off” (page 14).
Make sure that Local Control is On. For details, refer to the “MIDI
Reference” (page 8).
Pedals do not function.
The pedal cord may not be securely connected to the [TO PEDAL] jack. Be
sure to insert the pedal cord all the way until the metal part of the cord plug
disappears from view (pages 36, 39).
The pitch and sound quality of the Piano Voice
is wrong in a specific key range.
This is no problem.
Yamaha develops the Piano Voices so that the original piano sound is
reproduced as faithfully as possible. This is why you may hear overtones
emphasized in a certain key range, or you may feel that the sound pitch or
quality is different from another key range.
Playing the keys produces a rattling noise.
This is no problem.
The keyboard mechanism of this product is designed to simulate the actual
noises of an acoustic piano. Such noises are produced even if you play an
acoustic piano.
The [+R] and [−L] lamps flash when this
product is started, when a Song is selected, or
when recording is finished.
This is no problem.
It is because the [+R] and [−L] lamps may flash when the internal
processing of this product is taking a long time. Note that no operations are
available while these are flashing.