Yamaha P-255 Owner's Manual - Page 50

Troubleshooting, Tro

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Troubleshooting Problem Possible cause and solution The digital piano turns off unexpectedly. This does not indicate a problem-the Auto Power-Off function turns off the instrument after the set period of inactivity. If necessary, you can deactivate this function to prevent it turning off the digital piano again (page 10). The digital piano will not turn on. The instrument may not have been plugged in correctly. Ensure that the power adaptor is securely connected to the digital piano and a domestic-use, AC wall socket (page 10). A click or pop can be heard when turning the digital This type of noise can occur when a device is charged and does not indicate a piano on or off. problem. Noise can be heard coming from the digital piano. Noise may be caused by interference when a mobile phone in the vicinity of the instrument is used. Try turning off any mobile phone located close to the digital piano. Noise can be heard coming from the digital piano's In order to eliminate the risk of noise from other communication when using built-in speakers and/or headphones when using it the instrument with an iPad, iPhone, or iPod touch, we recommend turning on with an iPad, iPhone, or iPod touch app. the device's Airplane Mode. The digital piano's master volume may be turned down. Try moving the [MASTER VOLUME] slider to the right (page 11). The overall volume is low or nothing can be heard. If headphones are connected to the instrument, try unplugging them (page 11). The digital piano's speakers are turned off. Please turn them back on (page 44). If local control has been turned off, try turning it back on (page 45). The sound is distorted. The volume has been set too high. • Turn down the volume using the [MASTER VOLUME] slider (page 11). • Move the [EQ] sliders downward (page 17). • Turn off the Sound Boost function (page 18). Pedals have no effect. The pedal cord may not be securely connected to the [SUSTAIN PEDAL] jack or the [PEDAL UNIT] terminal. With the digital piano turned off, insert the cord's plug securely into the correct jack or terminal. When fully inserted, none of the metal section of the plug will be visible (pages 11, 12). The pitch or tone of a Piano Voice sounds strange in a specific frequency range. The instrument's Piano Voices have been carefully designed to recreate the sounds of a real piano as faithfully as possible. In certain frequency ranges, therefore, harmonics may appear accentuated or the pitch may not seem quite right; however, this does not indicate a problem. The keyboard makes a mechanical noise when played. Your digital piano's keyboard has been specially designed to simulate the feel of a real piano keyboard. Even real pianos can make a mechanical noise when played, and this does not indicate a problem. The USB flash drive plugged into the digital piano freezes and/or stops working. If a message has been shown on the display, refer to the section Display Messages (page 49) for more information. If no message has been shown, the USB flash drive may be broken. 50 P-255 Owner's Manual

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P-255
Owner’s Man
u
al
50
Tro
ub
leshooting
Problem
Possible cause and solution
The digital piano t
u
rns off
u
nexpectedly.
This does not indicate a pro
b
lem—the A
u
to Power-Off f
u
nction t
u
rns off the
instr
u
ment after the set period of inacti
v
ity. If necessary, yo
u
can deacti
v
ate
this f
u
nction to pre
v
ent it t
u
rning off the digital piano again (page 10).
The digital piano will not t
u
rn on.
The instr
u
ment may not ha
v
e
b
een pl
u
gged in correctly. Ens
u
re that the power
adaptor is sec
u
rely connected to the digital piano and a domestic-
u
se, AC wall
socket (page 10).
A click or pop can
b
e heard when t
u
rning the digital
piano on or off.
This type of noise can occ
u
r when a de
v
ice is charged and does not indicate a
pro
b
lem.
N
oise can
b
e heard coming from the digital piano.
N
oise may
b
e ca
u
sed
b
y interference when a mo
b
ile phone in the
v
icinity of
the instr
u
ment is
u
sed. Try t
u
rning off any mo
b
ile phone located close to the
digital piano.
N
oise can
b
e heard coming from the digital piano’s
bu
ilt-in speakers and/or headphones when
u
sing it
with an iPad, iPhone, or iPod to
u
ch app.
In order to eliminate the risk of noise from other comm
u
nication when
u
sing
the instr
u
ment with an iPad, iPhone, or iPod to
u
ch, we recommend t
u
rning on
the de
v
ice’s Airplane Mode.
The o
v
erall
v
ol
u
me is low or nothing can
b
e heard.
The digital piano’s master
v
ol
u
me may
b
e t
u
rned down. Try mo
v
ing the [MAS-
TER VOLUME] slider to the right (page 11).
If headphones are connected to the instr
u
ment, try
u
npl
u
gging them (page
11).
The digital piano’s speakers are t
u
rned off. Please t
u
rn them
b
ack on (page
44).
If local control has
b
een t
u
rned off, try t
u
rning it
b
ack on (page 45).
The so
u
nd is distorted.
The
v
ol
u
me has
b
een set too high.
•T
u
rn down the
v
ol
u
me
u
sing the [MASTER VOLUME] slider (page 11).
• Mo
v
e the [EQ] sliders downward (page 17).
•T
u
rn off the So
u
nd Boost f
u
nction (page 18).
Pedals ha
v
e no effect.
The pedal cord may not
b
e sec
u
rely connected to the [SUSTAI
N
PEDAL] jack
or the [PEDAL U
N
IT] terminal. With the digital piano t
u
rned off, insert the
cord’s pl
u
g sec
u
rely into the correct jack or terminal. When f
u
lly inserted, none
of the metal section of the pl
u
g will
b
e
v
isi
b
le (pages 11, 12).
The pitch or tone of a Piano Voice so
u
nds strange
in a specific freq
u
ency range.
The instr
u
ment’s Piano Voices ha
v
e
b
een caref
u
lly designed to recreate the
so
u
nds of a real piano as faithf
u
lly as possi
b
le. In certain freq
u
ency ranges,
therefore, harmonics may appear accent
u
ated or the pitch may not seem q
u
ite
right; howe
v
er, this does not indicate a pro
b
lem.
The key
b
oard makes a mechanical noise when
played.
Yo
u
r digital piano’s key
b
oard has
b
een specially designed to sim
u
late the feel
of a real piano key
b
oard. E
v
en real pianos can make a mechanical noise when
played, and this does not indicate a pro
b
lem.
The USB flash dri
v
e pl
u
gged into the digital piano
freezes and/or stops working.
If a message has
b
een shown on the display, refer to the section Display Mes-
sages (page 49) for more information. If no message has
b
een shown, the
USB flash dri
v
e may
b
e
b
roken.