16
En
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 cord and contact your authorized Yamaha dealer or
service center.
TROUBLESHOOTING
Problem
Cause
What to Do
Power is not supplied even
though the STANDBY/ON switch
is set to the ON position.
The power plug is not securely
connected.
Connect it securely.
The
POWER
switch is set to the
OFF
position.
Set the
POWER
switch to the
ON
position.
No sound.
The volume is set to minimum.
Raise the volume up.
Speaker cables are not connected
securely.
Connect them securely.
Sound level is too low.
Speaker cables are not connected
correctly.
Connect them correctly, that is L (left) to
L, R (right) to R, “+” to “+” and “–” to
“–”.
Setting of the
PHASE
switch is not
proper.
Set the
PHASE
switch to the other
position.
A source sound with few bass
frequencies is played.
Play a source sound with bass
frequencies. Set the
HIGH CUT
control
to a higher position.
It is influenced by standing waves.
Reposition the subwoofer or break up
the parallel surface by placing
bookshelves etc. along the walls.
The subwoofer does not turn on
automatically.
The
POWER
switch is set to the
OFF
position.
Set the
POWER
switch to the
ON
position.
The
STANDBY/ON
switch is set to the
STANDBY
position.
Set the
STANDBY/ON
switch to the
ON
position.
The
AUTO STANDBY
switch is set to
the
OFF
position.
Set the
AUTO STANDBY
switch to the
“
HIGH
” or “
LOW
” position.
The level of input signal is too low.
Set the
AUTO STANDBY
switch to the
“
HIGH
” position.
The subwoofer does not turn into
the standby mode automatically.
There is an influence of noise generated
from external appliances etc.
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.
The
AUTO STANDBY
switch is set to
the
OFF
position.
Set the
AUTO STANDBY
switch to the
“
HIGH
” or “
LOW
” position.
The subwoofer turns into the
standby mode unexpectedly.
The level of input signal is too low.
Set the
AUTO STANDBY
switch to the
“
HIGH
” position.
The subwoofer turns on
unexpectedly.
There is an influence of noise generated
from external appliances etc.
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.
