Troubleshooting - Yamaha Restio ISX-803 Owner's Manual

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.
General
Problem
Cannot turn on the unit.
The speakers make no sound.
Sound suddenly turns off.
Sound is cracked/distorted or there is
abnormal noise.
The unit does not operate properly.
The system turns on but immediately
enters standby mode.
A digital or high-frequency equipment
produces noises.
The clock setting has been cleared.
The selected source does not play back at
the alarm time.
Clock flashes and the unit cannot be
operated.
Auto Standby is inactive.
The front display becomes dim.
CD playback
Problem
Disc cannot be inserted.
Some button operations do not work.
Playback does not start after pressing
/ (playback stops immediately).
The CD indicator flashes twice, and
repeated 3 times, and the disc is ejected.
"Err" is displayed in the front panel
display after loading a disc.
22
En

TROUBLESHOOTING

Cause
The power cable is not connected firmly.
The unit may have received a strong electrical
shock such as lightning or excessive static
electricity.
The volume may be set to the minimum level.
The source may be incorrect.
Auto Standby is activated.
The sleep function (☞ P. 21) may be set.
Auto Standby is activated.
Input source volume is excessive, or volume of this
unit is excessive (especially Bass).
The unit may have received a strong electrical
shock such as lightning or excessive static
electricity, or power supply may have dropped.
The unit may be placed too close to the digital or
high-frequency equipment.
The unit is left more than one week after you
disconnect the power cable from the wall outlet.
No CD or USB device is inserted.
ALARM TYPE switch is set to BEEP.
CLOCK switch on the rear panel is set to SET, and
this unit is in clock setting mode.
The unit may have picked up ambient noise.
The front display setting is set to AUTO.
Cause
The system is set to Eco Standby mode.
A disc is already inserted.
The disc loaded into the unit may not be
compatible.
The disc may be dirty.
The disc loaded into the unit may not be
compatible.
If the unit was moved from a cold to warm place,
condensation may have formed on the disc reading
lens.
The disc loaded into the unit may not be
compatible.
The disc may be dirty.
The disc does not contain playable files.
The disc is loaded back to front.
An error occurs in the unit.
Solution
Reconnect the power cable into the wall outlet and
the unit firmly.
Disconnect the power cable. Wait about 30 seconds,
reconnect the power cable, and turn on the system.
Adjust the volume level.
Select the correct source.
Turn on the system again.
Turn on the system and play the source again.
Turn on the system again.
Adjust volume with VOLUME, or adjust Bass with
EQ (☞ P. 21).
Set the system to standby mode and disconnect the
power cable. Wait about 30 seconds, reconnect the
power cable, and turn the system on.
Place the unit further away from the equipment.
Plug the power cable into the wall outlet firmly, and
set the clock again (☞ P. 5).
Insert a CD or USB device.
Set ALARM TYPE to SOURCE + BEEP or
SOURCE (☞ P. 18).
Set CLOCK switch to CLOCK1 or CLOCK2
(☞ P. 5).
If the unit is close to portable phones, wireless
devices, microwave ovens, fluorescent light, place
the unit further away from them.
Set the brightness of the front panel display to a
setting other than AUTO. Or, do not cover the
illumination sensor.
Solution
Press to cancel Eco Standby mode. (☞ P. 2).
Press to eject the disc.
Use a disc supported by the unit (☞ P. 25).
Wipe the disc clean.
Use a disc supported by the unit (☞ P. 25).
Wait for an hour or two until the unit adjusts to the
room temperature, and try again.
Use a disc supported by the unit (☞ P. 25).
Wipe the disc clean.
Use a disc contains playable files (☞ P. 25, 26).
Insert a disc facing the label side to near side.
Eject the disc with .