Troubleshooting

Owner’s Manual
56
ENGLISH
TroubleshootingOptions

BC-100 Bench

A comfortable bench styled to match your Yamaha digital piano.

HPE-150 Stereo Headphones

High-performance lightweight dynamic headphones with extra-soft ear pads.

UX16 USB-MIDI interface

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 13).
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 Master Volume is set too low; set it to an appropriate level using the [MASTER
VOLUME] control.
•Make sure a pair of headphones is not connected to the headphones jack (when the
SPEAKER switch is set to the “NORMAL” position). If the SPEAKER switch is set to
the “OFF” position, set it to “NORMAL” or “ON” (page 14).
• Make sure that Local Control (page 48) is ON.
The speakers do not switch off when a pair of
headphones is connected.
The SPEAKER switch may be switched “ON.” Set the SPEAKER switch to the “NOR-
MAL” position (page 14).
The damper pedal has no effect. The pedal cord may not be securely connected to the [PEDAL] jack. Be sure to insert
the pedal cord all the way until the metal part of the cord plug disappears from view
(page 60).
The damper pedal has little effect. The damper pedal was pressed when the power was turned on. This is not a malfunc-
tion; release the pedal and press it again to reset the function.
Even though a USB storage device is con-
nected, the SONG SELECT “USB” indicator
does not turn on when pressing the [SONG
SELECT] button.
The USB storage device may not be recognized by the instrument, depending on the
device itself or the timing of the recognition.
1.Check that the device is not damaged.
Check that the FILE “LOAD TO USER” indicator flashes after connecting the USB
storage device. If the indicator does not flash, the device may be damaged.
2.Check that the compatibility of the device has been confirmed by Yamaha (page 38).
3.Select SONG SELECT “USB” again.
It may take a while for the instrument to recognize the USB storage device. Press
the [SONG SELECT] button again to turn the “USB” indicator on.
The USB storage device has hung up
(stopped).
•The USB storage device is not compatible with the instrument. Only use the devices
whose compatibility has been confirmed by Yamaha (page 38).
•Turn the instrument off and disconnect the device, then turn it back on and recon-
nect the device.
The three LEDs of “SAVE TO USB,” “LOAD
TO USER” and “DEL/FORMAT” at the [FILE]
button flash simultaneously when a storage
device is connected.
Disconnect the USB storage device and turn the power of the instrument off. The USB
storage device is not compatible with the instrument.
The three LEDs of “SAVE TO USB,” “LOAD
TO USER” and “DEL/FORMAT” at the [FILE]
button flash simultaneously for five seconds
when the USB storage device is operated.
Try disconnect the USB storage device once, then reconnect it.
Nothing is indicated in the LED display. Press the [–/NO] or [+YES] button and try again the operation again.