F11/F01 Owner’s Manual
60
ENGLISH

Troubleshooting

Troubleshooting

Problem Possible Cause and Solution

The instrument does not turn on. The instrument has not been plugged in properly. Securely insert the female plug into
the socket on the instrument, and the male plug into a proper AC outlet (page 15, 16).
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 head-
phones.
The noise may be due to interference caused by the use of a mobile phone in close
proximity to the instrument. Turn off the mobile phone, or use it further away from the
instrument.
The overall volume is low, or no sound is
heard.
•The Volume is set too low: set it to an appropriate level using the [VOLUME] control.
• Make sure a pair of headphones is not connected to the headphones jack
(page 18).
• Make sure that Local Control (page 54) is ON.
The pitch and/or tone of the Piano Voices in
certain ranges do not sound right.
The Piano Voices attempt to precisely simulate actual piano sounds. However, as a
result of sampling algorithms, overtones in some ranges may sound exaggerated, pro-
ducing a somewhat different pitch or tone. This is normal, and no cause for concern.
Mechanical noise is heard when the keys
move.
The keyboard mechanism of this instrument simulates the keyboard mechanism of an
actual piano. Mechanical noise is also heard on a piano. This is normal, and is no
cause for concern.
The USB flash memory device cannot be nor-
mally read and written.
The particular USB flash memory device is not supported by the instrument. The oper-
ation of the USB flash memory may become unstable.
The USB flash memory device has hung up
(stopped).
• The USB flash memory is not compatible with the instrument. Only use the USB
flash memory device whose compatibility has been confirmed by Yamaha (page 25).
• Disconnect the device and connect it to the instrument again.
(F11) The cover under the keyboard becomes
warm.
Heat might be generated while using the instrument. This is normal, and no cause for
concern.