manual

15
En
Troubleshooting
Refer to the table below when the unit does not function properly. If the problem you are
experiencing is not listed below or if the instructions below do not help, turn off the unit,
disconnect the power cable, and contact the nearest authorized Yamaha dealer or
service center.
First, check the following:
A The power cables of the unit, TV and playback devices (such as BD players)
are connected to AC wall outlets securely.
B The unit, TV and playback devices (such as BD players) are turned on.
C The connectors of each cable are securely inserted into jacks on each device.
Power and system
Audio
Problem Cause Remedy
The power turns
off suddenly.
The auto power standby function
worked.
When the auto power standby
function is enabled and one of the
following conditions is met, the
unit will automatically turn off.
- No operations for 8 hours
- No audio input and no
operations for 20 minutes when
BLUETOOTH is selected as the
input source.
Turn on the unit again. To stop the unit
from turning off automatically, disable
the auto power standby function
(p.14).
The protection circuitry has been
activated. (The D indicator on
the front panel of the unit flashes.)
After confirming that all connections
are made properly, turn on the unit
again. If the power often suddenly
turns off, unplug the power cable from
the AC wall outlet and contact the
nearest authorized Yamaha dealer or
service center.
Bluetooth connection is
terminated on a Bluetooth device
when the Bluetooth standby mode
is enabled.
Disable the Bluetooth standby mode
(p.11).
The power
cannot be turned
on.
The protection circuitry has been
activated three times
consecutively. (If you try to turn on
the power in this condition, the
D indicator on the front panel of
the unit flashes.)
To protect the product, the power
cannot be turned on. Unplug the
power cable from the AC wall outlet
and contact the nearest authorized
Yamaha dealer or service center.
All indicators go
out although the
unit is turned on
(it may seem that
the unit is turned
off).
The brightness of indicators is set
to off on the DIMMER key setting.
Operate the DIMMER key to select the
desired brightness (p.9).
The unit is not
responding
correctly.
The internal microcomputer is
frozen, due to an external electric
shock (such as lightning or
excessive static electricity) or to a
drop in the power supply voltage.
Hold down (power) on the front
panel of the unit for more than 10
seconds to reboot it. (If the problem
persists, unplug the power cable from
the AC wall outlet and plug it again.)
The unit
operates by
itself.
Another Bluetooth device is being
operated nearby.
Terminate Bluetooth connection of the
unit (p.11).
The unit cannot
be operated
using the
dedicated
application
“HOME
THEATER
CONTROLLER.”
(The screen of
the application
does not shift
from the demo
mode.)
The Bluetooth device on which
the application has been installed
is not connected to the unit.
Connect the Bluetooth device and the
unit via Bluetooth and use the
application.
Problem Cause Remedy
No sound.
Another input source is selected. Select an appropriate input source
(p.8).
The mute function is activated. Cancel the mute function (p.9).
The volume is too low. Turn up the volume (p.8).
The power cable of the unit is not
connected properly.
Make sure that the power cable of the
unit is connected to an AC wall outlet
securely (p.6).
Input jacks on both devices are
connected.
Connect the input jack on the unit and
the output jack on the external
playback device.
Signals that the unit cannot play
back are being input.
Change the digital audio output setting
on the playback device to PCM or
Dolby Digital.