Additional Information; Troubleshooting - Yamaha YHT-S401 Mode D'emploi

ADDITIONAL INFORMATION

Refer to the chart below should this unit not function properly.
If the problem you are experiencing is not listed below, or if the instruction below does not help, set this unit to the
standby mode, disconnect the AC power supply cable, and contact the nearest authorized Yamaha dealer or service
center.
Check the below first.
1 The AC power supply cable of this unit, TV and external components (such as BD player) are firmly connected to the
AC wall outlet.
2 The power supply of this unit, TV and the external components (such as BD player) are turned on.
3 All cables are firmly connected to their respective jacks on each component.
Problem
Power turns on but
immediately shuts off.
The speakers make no
sound.
Sound is too low on
one side.
Speaker channels
other than the front
ones make no sound.
The subwoofer makes
no sound.

Troubleshooting

Cause
The power cable may be connected
improperly.
A speaker cable may be shorted.
This unit may have received a strong
electrical shock, such as from a
lightening bolt or excessive static
electricity.
The volume may be set to minimum
level.
The mute function may be activated.
The input source or input setting may be
incorrect.
The cables may be connected improperly.
"3-2:AUDIO" in the setup menu
"3:HDMI SETUP" is set to "TV".
"3-1:CONTROL" in the setup menu
"3:HDMI SETUP" is set to "OFF" in
setup menu.
The headphone is connected.
The cables may be connected improperly.
You may be listening to stereo sounds
without surround mode.
"1-4:SURROUND L"/"1-5:SURROUND R"
in the setup menu "1:SP LEVEL" is set to
minimum level.
"5-1:SP CHANNEL" is set to "2CH" or
"3CH" in setup menu.
The volume of the subwoofer channel
may be set to minimum level.
The source does not contain low-
frequency signals.
Solution
Make sure the power cable is plugged into the
outlet firmly.
Make sure all speaker cables are connected
properly.
Set this unit to standby mode, and then
disconnect the power cable. Wait for about 30
seconds, connect the power cable, and then turn
the unit on again.
Adjust the volume level.
Cancel the mute function.
Select the correct input source or input setting.
Make sure all cables are connected properly.
Set "3-2:AUDIO" in the setup menu "3:HDMI
SETUP" to "AMP".
When connecting ARC (Audio Return Channel)
supported TV and this unit using HDMI cable
only, set "3-1:CONTROL" in the "3:HDMI
SETUP" to "ON".
Connect coaxial digital input jack and TV's
audio output jack using a digital audio pin cable.
Make sure all cables are connected properly.
Press the SURROUND button to play back in
sound mode.
Adjust "1-4:SURROUND L"/"1-5:SURROUND R"
in the setup menu "1:SP LEVEL".
Set "5-1:SP CHANNEL" to "4CH" or "5CH".
Adjust the volume level of the subwoofer.
See
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