User Manual

20 En
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, set the system to standby mode, unplug it, and consult the nearest authorized Yamaha dealer or service center.
TROUBLESHOOTING
General
Problem Cause Solution
Cannot turn on the unit.
The power cable is not connected firmly. Reconnect the power cable into the wall outlet and
the unit firmly.
The unit may have received a strong electrical
shock such as lightning or excessive static
electricity.
Disconnect the power cable. Wait about 30 seconds,
reconnect the power cable, and turn on the system.
The speakers make no sound.
The volume may be set to the minimum level. Adjust the volume level.
The source may be incorrect. Select the correct source.
Auto Standby is activated. Turn on the system again.
Sound suddenly turns off.
The sleep function (☞ P. 19) may be set. Turn on the system and play the source again.
Auto Standby is activated. Turn on the system 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. 19).
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.
Set the system to standby mode and disconnect the
power cable. Wait about 30 seconds, reconnect the
power cable, and turn the system on.
The system turns on but immediately
enters standby mode.
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 further away from the equipment.
The clock setting has been cleared.
The unit is left more than one week after you
disconnect the power cable from the wall outlet.
Plug the power cable into the wall outlet firmly, and
set the clock again (☞ P. 5).
The selected source does not play back at
the alarm time.
No CD or USB device is inserted. Insert a CD or USB device.
ALARM TYPE switch is set to BEEP. Set ALARM TYPE to SOURCE + BEEP or
SOURCE (☞ P. 16).
Clock flashes and the unit cannot be
operated.
CLOCK switch on the rear panel is set to SET, and
this unit is in clock setting mode.
Set CLOCK switch to CLOCK1 or CLOCK2
(☞ P. 5).
Auto Standby is inactive.
The unit may have picked up ambient noise. If the unit is close to portable phones, wireless
devices, microwave ovens, fluorescent light, place
the unit further away from them.
The front display becomes dim.
The front display setting is set to AUTO. Set the brightness of the front panel display to a
setting other than AUTO. Or, do not cover the
illumination sensor.
CD playback
Problem Cause Solution
Disc cannot be inserted.
The system is set to Eco Standby mode.
Press to cancel Eco Standby mode. (☞ P. 2).
A disc is already inserted.
Press to eject the disc.
Some button operations do not work.
The disc loaded into the unit may not be
compatible.
Use a disc supported by the unit (☞ P. 23).
Playback does not start after pressing
/ (playback stops immediately).
The disc may be dirty. Wipe the disc clean.
The disc loaded into the unit may not be
compatible.
Use a disc supported by the unit (☞ P. 23).
If the unit was moved from a cold to warm place,
condensation may have formed on the disc reading
lens.
Wait for an hour or two until the unit adjusts to the
room temperature, and try again.
The CD indicator flashes twice, and
repeated 3 times, and the disc is ejected.
The disc loaded into the unit may not be
compatible.
Use a disc supported by the unit (☞ P. 23).
The disc may be dirty. Wipe the disc clean.
The disc does not contain playable files. Use a disc contains playable files (☞ P. 23, 24).
The disc is loaded back to front. Insert a disc facing the label side to near side.
“Err” is displayed in the front panel
display after loading a disc.
An error occurs in the unit.
Eject the disc with .