Troubleshooting - Yamaha MusicCast SUB 100 Mode D'emploi

Refer to the chart below if 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, turn off the power to the unit, disconnect the power plug from the AC outlet,
and contact an authorized Yamaha dealer or service center.
General
Problem
Power does not turn on.
When the power is turned on, it
turns off immediately.
The unit does not operate correctly.
The unit cannot be operated.
The power suddenly turns off
during use.
The unit does not operate correctly. External electric shock (such as a lightning
No sound.
Low-frequency sound is not output
or is not loud enough.
The power does not turn on
automatically when the source
begins playing.
Noise is output from this unit or
from an electronic device located
nearby.
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En

TROUBLESHOOTING

Cause
The power cord is not connected correctly.
Electric shock (such as a lightning strike or
excessive static electricity) or power supply
voltage drop has caused the internal
microcomputer to freeze.
The protection circuit has operated to turn off
the power because the internal temperature of
the unit has risen.
strike or excessive static electricity) or power
supply voltage drop has caused the internal
microcomputer to freeze.
A source with little low-frequency sound is
being played back.
The sound is being affected by a standing
wave.
Low-frequency input signal is absent because
of settings on the amp.
If using a network connection
The volume of the MusicCast CONTROLLER
app or of the Pairing Master is set to the
minimum (0). Alternatively, headphones are
connected to the Pairing Master.
The network connection is not correct.
The playback device is not selected correctly.
If using an analog connection
The volume of this unit is set to the minimum
(0).
The connection is not correct. Alternatively,
the connection is faulty.
Since INPUT is set to ANALOG, the unit is not
operating in linkage with the Pairing Master.
Low-frequency input signal is absent because
of settings on the amp.
Because there was no network connection for
an extended time, the unit entered eco standby
mode.
A digital device or a high-frequency device is
located near this unit.
What to Do
Insert the power plug firmly into the AC outlet.
Hold down the unit's rear panel
A (STANDBY/ON) button for ten seconds or
longer to restart the unit.
(If this does not solve the problem, disconnect
the power cord from the AC outlet, wait
approximately 30 seconds, and then plug it in
once again.)
Wait for the temperature to cool
(approximately one hour), make sure that there
is sufficient space around the unit and that the
unit is not covered by a cloth etc., and then turn
on the power again.
Disconnect the power cord from the AC outlet,
wait approximately 30 seconds, and then plug
it in once again.
Play back a source that contains low-frequency
sound.
Try changing the position or the angle of this
unit.
Change the amp's settings.
Raise the volume by operating the MusicCast
CONTROLLER app or the Pairing Master.
You can also use this unit's GAIN knob to
manually make fine adjustments to the volume.
Check the connection.
Operate the MusicCast CONTROLLER app or
the Pairing Master to re-select the input source
that you want to play back.
Use this unit's GAIN knob to adjust the
volume.
Check the connection.
Turn on the power manually.
Change the amp's settings.
Turn on the power manually.
Move this unit and the corresponding device
farther apart.