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APPENDIX
Eng
lis
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APPENDIX
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 instruction below does not help, turn off the unit, disconnect the AC power supply cable, and contact the nearest authorized
Yamaha dealer or service center.
General
Troubleshooting
Problem
Cause
Remedy
See
page
This unit does not operate
properly.
The internal microPC has been frozen by an
external electric shock (such as lightning or
excessive static electricity) or by a power supply
with low voltage.
Disconnect the AC power supply cable from the
outlet and plug it again in after 30 seconds.
—
This unit fails to turn on
when
z
(power) is pressed
(the STATUS indicator
flashes red), or the unit is
turned off soon after the
power has been turned on.
The AC power supply cable is not firmly connected
to the AC wall outlet.
Connect the AC power supply cable firmly to the
AC wall outlet.
The internal microPC has been frozen by an
external electric shock (such as lightning or
excessive static electricity) or by a power supply
with low voltage.
Disconnect the AC power supply cable from the
outlet and plug it again in after 30 seconds.
—
This unit is suddenly turned
off.
The internal temperature becomes too high and
the overheat protection circuitry has been
activated.
Wait for about 1 hour for this unit to cool down,
turn it back on after confirming an adequate
amount of ventilation space and not to cover this
unit with a cloth.
When the Auto Power Standby function is enabled,
this unit turns off automatically in any of the
following situations:
– Audio is coming from the selected input source.
However, no operations have been performed
for 8 hours or more.
–
Bluetooth
or NET is selected as the input source,
but no audio has been input to the unit or no
operations have been performed with the unit
for more than 20 minutes.
Turn on the power of the unit and play back the
source again. If the Auto Power Standby function
is not used, set “Auto Power Standby” to “Off”.
No sound.
Incorrect input or output cable connections.
Connect the cable properly.
No appropriate input source has been selected.
Select an appropriate input source with the input
selector keys.
The volume is turned down.
Turn up the volume.
—
The sound is muted.
Press
(mute) or +/- (volume) to resume audio
output and adjust the volume level.
—
A digital or high-frequency
equipment produces noises.
The unit may be placed close to digital equipment
or high-frequency equipment.
Move the equipment away from the unit.
—
