Troubleshooting - Yamaha NS-SW300 Mode D'emploi

Refer to the chart below if this unit does not function properly.
If the instructions given below do not help, or if the problem you are experiencing is not listed below, turn off the power to the unit, disconnect the power cord and contact an authorized
YAMAHA dealer or service center.
Problem Cause
Power is not supplied The power plug is not securely
connected.
even though the
STANDBY/ON switch
The POWER switch is set to the
is set the ON position.
OFF position.
The subwoofer does The system control cable is not
connected properly or securely.
not turn on
automatically via the
The POWER switch is set to
system connection.
OFF.
No sound. The volume is set to minimum.
Speaker cables are not
connected securely.
Low range sound is too Speaker cables are not
connected correctly.
soft or not heard.
The PHASE switch is not set
correctly.
A source sound with little bass
frequency content is being
played.
The sound is influenced by
standing waves.
No bass frequency content is
being output from the amplifier.
The subwoofer does The POWER switch is set to the
OFF position.
not turn on
automatically.
The STANDBY/ON switch is
set to the STANDBY position.
The AUTO STANDBY switch
is set to the OFF position.
The level of input signal is too
low.

TROUBLESHOOTING

What to Do Problem
Connect it securely.
Set the POWER switch to the The subwoofer does
ON position.
not enter standby
mode automatically.
Connect the system control
cable properly.
Set the POWER switch to ON.
Increase the volume.
Connect speaker cables securely.
The subwoofer enters
standby mode
Connect them correctly, that is L
(left) to L; R (right) to R; "+" to unexpectedly.
"+" and "–" to "–".
The subwoofer turns
Set the PHASE switch to the
on unexpectedly.
other position.
Play a source sound with bass
frequencies.
Set the HIGH CUT control to a
higher position.
Relocate the subwoofer or
change its positioning angle.
Check the bass output setting of An object has fallen
the amplifier.
into the port.
Set the POWER switch to the
ON position.
Set the STANDBY/ON switch
to the ON position.
Set the AUTO STANDBY
switch to the HIGH or LOW
position.
Set the AUTO STANDBY switch
to the HIGH position, and increase
the output level of the amplifier.
Cause What to Do
No bass frequency content is Check the bass output setting of
being output from the amplifier. the amplifier.
Noise generated from external Move the subwoofer farther away
appliances etc., is activating the from such appliances, and/or
subwoofer. reposition the connected speaker
cables.
Set the AUTO STANDBY switch
to the HIGH or LOW position.
Set the AUTO STANDBY
The AUTO STANDBY switch is
set to the OFF position. switch to the HIGH or LOW
position.
The level of input signal is too Set the AUTO STANDBY
low. switch to the HIGH position, and
increase the output level of the
amplifier.
Noise generated from external Move the subwoofer farther
appliances etc., is activating the away from such appliances, and/
subwoofer. or reposition the connected
speaker cables.
If the AUTO STANDBY switch
is set to HIGH, set it to LOW.
Alternatively, set the AUTO
STANDBY switch to the OFF
position.
Do not try to remove the object. Contact an authorized
Attempting to remove the YAMAHA dealer or service
object may cause a malfunction. center.
14
En