30
YDP-135 Owner’s Manual
ENGLISH
Troubleshooting
Options
(May not be available depending on your locale.)
BC-100 Bench
A comfortable bench styled to match your Yamaha digital piano.
UX16
USB-MIDI interface
HPE-150
Headphones
Problem
Possible Cause and Solution
This instrument does not turn on.
This instrument has not been plugged in properly.
Securely insert the adaptor plug into the socket on this instrument,
and the adaptor plug into a proper AC outlet (page 33).
Noise from the speakers or headphones is
audible.
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.
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 (page 12).
Make sure that Local Control (page 28) is On.
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 33).