Troubleshooting - Yamaha YST-SW1500 Manual De Instrucciones

TROUBLESHOOTING

Refer to the chart below when 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 cable and contact your authorized YAMAHA dealer or service
center.
Problem
Power is not supplied even
though the STANDBY/ON button
is set to the ON position.
No sound.
Sound level is too low.
The subwoofer does not turn on
automatically.
The subwoofer turns into the
standby mode unexpectedly.
The subwoofer turns on
unexpectedly.
The household breaker goes off.
The remote control does not
work.
The distance or range within
which the remote control can be
used decreases.
Note
When an excessive level of signal is inputted to the subwoofer for
5 to 15 minutes, the power indicator begins flashing to alarm you of
the danger of damaging the power amplifier and speaker in this
subwoofer system. If the signal input lasts for 5 minutes more, the
subwoofer turns into the standby mode automatically .
Cause
The power cable is not plugged in, or
the POWER switch is set to the OFF
position.
The volume is set to minimum.
Speaker cables are not connected
securely.
Speaker cables are not connected
correctly.
Setting of the PHASE is not proper.
A source sound with few bass
frequencies is played.
It is influenced by standing waves.
The POWER switch is set to the OFF
position.
The subwoofer is set to the standby
mode by pressing the STANDBY/ON
button. (The power indicator is not
illuminated.)
The AUTO STANDBY switch is set to
the OFF position.
The level of input signal is too low.
The level of input signal is too low.
There is an influence of noise
generated from external appliances etc.
The subwoofer consumes much
electricity when a high level signal is
inputted to the subwoofer.
Direct sunlight or lighting (of an inverter
type of fluorescent lamp etc.) is striking
the remote control sensor of the main
unit.
The batteries of this remote control are
too weak.
What to Do
Connect the power cable to both the AC
IN socket of the subwoofer and an AC
outlet securely, or set the POWER
switch to the ON position.
Raise the volume up.
Connect them securely.
Connect them correctly, that is L (left) to
L, R (right) to R, "+" to "+" and "–" to "–".
Set the PHASE to the another mode.
Play a source sound with bass
frequencies.
Set the HIGH CUT control to a higher
position.
Reposition the subwoofer or break up
the parallel surface by placing
bookshelves etc. along the walls.
Set the POWER switch to the ON
position.
Turn on the subwoofer again by
pressing the STANDBY/ON button.
Set the AUTO STANDBY switch to the
"HIGH" or "LOW" position.
Set the AUTO STANDBY switch to the
"HIGH" position.
Set the AUTO STANDBY switch to the
"HIGH" position.
Move the subwoofer farther away from
such appliances and/or reposition the
connected speaker cables.
Otherwise, set the AUTO STANDBY
switch to the "OFF" position.
Turn down the volume on the amplifier
etc. connected to the subwoofer or cut off
the power to other unused equipment.
Change position of the main unit.
Replace the batteries with new ones.
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