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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 speakers may not be connected securely. Check the connections (☞ P. 2).
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 may be set (☞ P. 21). Turn the system on and play the source again.
The automatic system-off function may have
operated.
When the time specified for AUTO POWER OFF in the
option menu has elapsed (☞ P. 20) or when 60 minutes
have elapsed without any operation being performed after
stopping USB device or CD playback, the unit will turn the
system off automatically.
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 use the option menu
(☞ P. 20) to adjust the bass range. 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.
Restart the system by holding down the for about 10
seconds.
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 was left for about one hour with the
power cable disconnected from the wall outlet.
Plug the power cable into the wall outlet firmly, and set the
clock again (☞ P. 6).
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. 3).
Alarm does not sound. The unit is set to power saving mode. In the option menu, set POWER SAVING to NORMAL
(☞ P. 20).
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.
When the time specified for AUTO POWER OFF in the
option menu has elapsed (☞ P. 20) or when 60 minutes
have elapsed without any operation being performed after
stopping USB device or CD playback, the unit will turn the
system off automatically.