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Appendix; Troubleshooting - Yamaha 142 Owner's Manual

Arius series
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Power suddenly and unexpectedly turns off.
The instrument does not turn on.
A click or pop is heard when the power is turned
on or off.
Noise is heard from the speakers or headphones.
Noise is heard from the instrument's speakers or
headphones when using the instrument with the
application on iPhone/iPad.
The overall volume is low, or no sound is heard.
Pedals do not function.
The damper pedal does not function as expected.
Possible Cause and Solution
This is normal and the Auto Power Off function may have been activated (page
11). If desired, disable the Auto Power Off function.
Securely insert the adaptor plug into the socket on this instrument, and the
adaptor plug into a proper AC outlet (page 10).
This is normal when electrical current is being applied to the instrument.
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 iPhone/iPad, we
recommend that you set "Airplane Mode" to "ON" on your iPhone/iPad 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 12).
Make sure a pair of headphones is not connected to the headphones jack
(page 11).
Make sure that Local Control is On.
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 (page 30).
The damper pedal was pressed when the power was turned on. This is not a
malfunction; release the pedal and press it again to reset the function.
YDP-162/142 Owner's Manual



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Arius ydp-162Arius ydp-142Arius ydp-162