21
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Eng
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If there is a problem with the unit, check the following list first. If you cannot resolve the problem with the suggested
solutions or if the problem is not listed below, turn off and unplug the system, and consult the nearest authorized Yamaha
dealer or service center.
TROUBLESHOOTING
General
Problem
Cause
Solution
The speakers make no sound.
The volume might be set to the minimum level,
or muted.
Adjust the volume level.
The source may be incorrect.
Select the correct source.
The headphones are connected.
Remove the headphones.
The volume of a connected external device is not
loud enough.
Raise the volume of the external device.
Sound suddenly turns off.
The sleep timer (
P. 20) may be set.
Turn the system on and play the source again.
Sound is cracked/distorted or
there is abnormal noise.
Input source volume is excessive, or volume of
this unit is excessive (especially Bass).
Adjust volume with
VOLUME
, or adjust Bass with EQ
P. 20). If an external device is playing back, lower the
volume of the external device.
The unit does not operate
properly.
The unit may have received a strong electrical
shock such as lightning or excessive static
electricity, or power supply may have dropped.
Turn the system off, and disconnect the power cable. Wait
about 30 seconds, reconnect the power cable, and turn on
the system.
The system turns on but
immediately shuts off.
A digital or high-frequency
equipment produces noises.
The unit may be placed too close to the digital or
high-frequency equipment.
Place the unit farther away from the equipment.
The clock setting has been
cleared.
The unit remained unpowered for more than one
week.
If the power supply is interrupted for about one week, the
time setting may be reset. If this occurs, please reset the
clock (
P. 5).
The iPod does not play back at
the alarm time even if the alarm
source is set to iPod.
The iPod is not set in the iPod dock.
Set the iPod in the iPod dock (
P. 2).
Clock flashes and the unit cannot
be operated.
The CLOCK switch is in the SET position, and
the clock settings are in progress.
Set the
CLOCK
switch to the ON or OFF position.
Alarm does not sound.
The CLOCK switch is in the OFF or SET position. Set the
CLOCK
switch to the ON position.
The front panel display indicates
“ALARM not work” and can’t
set the alarm.
The unit turns the system off
unexpectedly.
The automatic system-off function may have
operated.
This unit will turn the system off when 60 minutes have
elapsed without any operation being performed after
stopping playback of the USB device or the CD, or if the
system has been on for 12 hours or more without any
operation being performed.
Front panel display becomes dim.
The front panel display’s brightness setting is set
to AUTO.
Change the brightness setting to something other than
AUTO (
P. 20). Alternatively, ensure that the
illumination sensor (
P. 3) is not obscured.
