Appendix; Troubleshooting - Yamaha AP-U70 Installationhandbuch

APPENDIX

APPENDIX

Troubleshooting

Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or if the
instructions given below do not help, disconnect the power cord and contact your authorized YAMAHA dealer or service
center.
Problem
The unit cannot be turned on
though the power switch on the
front panel or the POWER key on
the remote control is pressed.
No sound.
Application does not start.
The driver software cannot be
installed successfully.
Using this unit affects TV
reception or the performance of
other equipment.
Depending on some computer hardware or operating systems, all functions of this unit cannot be used. You can refer to the
following Yamaha website for details and related information.
18
E-
Cause
The power cord is not plugged in or is not
completely inserted.
This unit is in the standby mode.
Incorrect output cord connections.
This unit and the computer is not connected
with the USB cable.
The power cord is not plugged in or is not
completely inserted.
The USB cable is not firmly connected between
this unit and the computer.
The power cord is not plugged in or is not
completely inserted.
The equipment may be too close to this unit.
http://www.yamaha.co.jp/audio/
Remedy
Firmly plug in the power cord.
Turn on this unit by pressing the Power switch on the
front panel or the POWER key on the remote control.
Connect the cords properly. If the problem
persists, the cords may be defective.
Connect this unit and the computer with the USB
cable.
Firmly plug in the power cord.
Disconnect the USB cable, and then connect it
firmly again.
Firmly plug in the power cord.
Move the equipment away from this unit.