Yamaha 900SW - Manual (Page 22)

18
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.
• When an excessive level of signal is input to this unit for 5 to 15 minutes, the POWER indicator starts flashing to alarm
you of the danger of damaging the power amplifier and speaker of this unit. If the signal input lasts for 5 minutes more,
this unit turns into the standby mode automatically.
• When an enormous amount of signal is input, the power of this unit is turned off immediately. To turn on this unit again,
press STANDBY/ON switch on the front panel.
TROUBLESHOOTING
Problem Cause Remedy
Power is not supplied even though
the STANDBY/ON switch is
pressed. 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 the minimum (0). Raise the volume.
Speaker cables are not connected securely. Connect them securely.
The signals from the amplifier are too low. Increase the volume of the amplifier or the
component connected to the amplifier.
The signal from the subwoofer output
terminal of the amplifier is not output. Check the speaker mode setting on the
amplifier.
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 is not proper. Set the phase to the other position.
A source sound with few bass frequencies is
being played. Play a source sound with bass
frequencies.
Set the H-CUT to a higher position.
It is influenced by standing waves. Reposition this unit or break up the
parallel surface by placing bookshelves
etc. along the walls.
The remote control does not
work. Wrong distance or angle. Use the remote control within a maximum
range of 6 m and no more then 30 degrees
off-axis from the front panel.
Direct sunlight or lighting from an inverter
type of fluorescent lamp etc. is striking the
remote control sensor of this unit. Reposition this unit.
The batteries are weak. Replace all batteries.
This unit is not turned on with the
remote control of the amplifier.
(when setting “Operating the
power of this unit using the
remote control of your
amplifier”) Wrong distance or angle. Place this unit within the operating range
of the remote control of the amplifier.
The household breaker goes off. This unit consumes much electricity when a
high level signal is input to this unit. Turn down the volume on the amplifier
etc. connected to this unit or cut off the
power of other unused equipment.
Notes