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Troubleshooting
Refer to the chart below if the unit does not function properly. If the problem you are experiencing is not
listed, or if the instructions fail to help you resolve the problem, disconnect the power cable and contact your
authorized Yamaha dealer or service center.
Problem Cause Remedy
Power is not supplied even though
the POWER button is set to the ON
position.
The power plug is not securely connected. Turn the POWER button to OFF/
SYSTEM, and then connect the power
plug securely.
No sound. The VOLUME control is set to (0). Turn up the volume.
A subwoofer cable is not connected
securely.
Connect a subwoofer cable securely.
Sound level is too low. You are playing a sound source that
includes inadequate bass frequencies.
Play a sound source that includes more
bass frequencies.
The sound level has been diminished by
standing waves.
Reposition the subwoofer, or break up the
parallel wall surface by placing
bookshelves or other large objects along
the wall.
The input signal is too small. Turn up the volume.
No signal from the subwoofer output
terminal of the component.
Check the speaker mode setting on the
component.