Troubleshooting - Yamaha YST-FSW150 Owner's Manual

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
Power is not supplied even though
the POWER button is set to the ON
position.
No sound.
Sound level is too low.
Cause
The power plug is not securely connected.
The VOLUME control is set to (0).
A subwoofer cable is not connected
securely.
You are playing a sound source that
includes inadequate bass frequencies.
The sound level has been diminished by
standing waves.
The input signal is too small.
No signal from the subwoofer output
terminal of the component.
Remedy
Turn the POWER button to OFF/
SYSTEM, and then connect the power
plug securely.
Turn up the volume.
Connect a subwoofer cable securely.
Play a sound source that includes more
bass frequencies.
Reposition the subwoofer, or break up the
parallel wall surface by placing
bookshelves or other large objects along
the wall.
Turn up the volume.
Check the speaker mode setting on the
component.
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