TROUBLESHOOTING

Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or if the instructions below do not help, set this unit to the standby mode, disconnect the power cable, and contact the nearest authorized Yamaha dealer or service center.

General
Problems
Possible Causes
Solutions
Refer to

page

 

 

 

 

 

 

 

 

 

 

 

Pressing the POWER

The supplied power cable is not connected

Connect the supplied power cable firmly.

8

switch on the front

or the cable is not completely inserted.

 

 

 

panel does not turn

 

 

 

 

 

The POWER (

 

) button is pressed on the

Press POWER on the front panel to ON.

 

on this unit. The

 

3

POWER on indicator

remote control while this unit is turned

 

also does not light up.

off.

 

 

 

 

 

 

 

 

 

There is a problem with the internal

Disconnect the AC power cable and contact the

 

 

circuitries of this unit.

nearest authorized Yamaha dealer or service center. If

 

 

 

 

 

an unusual odor or noise is generated from the unit,

 

 

 

 

do not turn on the power, disconnect the AC power

 

 

 

 

 

cable, and contact a service center for repair.

 

 

 

 

 

 

 

The power of this unit

The speaker wires are touching each other

Connect the speaker cables properly and press the

 

is turned off suddenly

or shorting out against the rear panel.

power button ON again. The VOLUME is decreased

 

and the POWER on

 

 

 

automatically and this unit is turned on after the

 

indicator blinks.

 

 

 

INPUT indicator blinks for about 15 seconds.

7

 

 

 

 

Confirm normal sound output from speakers by

 

 

 

 

 

increasing the volume gradually, then you can operate

 

This unit is turned off

 

 

 

this unit normally.

 

after several seconds

 

 

 

 

 

The speaker is a malfunction.

Replace the speaker set and press the power button

 

of turning on, and the

 

POWER on indicator

 

 

 

ON again. The VOLUME is decreased automatically

 

blinks.

 

 

 

and this unit is turned on after the INPUT indicator

 

 

 

blinks for about 15 seconds. Confirm normal sound

 

 

 

 

 

 

 

 

 

output from speakers by increasing the volume

 

 

 

 

 

gradually, then you can operate this unit normally.

 

 

 

 

 

 

 

 

The protection circuitry has been activated

Rotate the VOLUME control on the front panel to

 

 

because of excessive input or excessive

decrease the volume level and then turn the power on

 

volume level.

again.

 

 

 

 

 

 

 

 

The protection circuitry has been activated

Allow about 30 minutes for the temperature inside

 

 

due to excessive internal temperature.

this unit to decrease, rotate the VOLUME control on

 

 

 

 

 

the front panel to lower the volume and then turn the

 

 

 

 

power on again. Set the unit in a place where heat can

 

 

 

 

 

readily dissipate from the unit.

 

 

 

 

 

 

 

 

The IMPEDANCE SELECTOR switch

Turn the power off and slide the IMPEDANCE

5

 

may not be fully slid to either position.

SELECTOR switch all the way to either position.

 

 

 

 

 

 

 

 

 

The impedance setting is incorrect.

Set the impedance to match your speakers.

5

 

 

 

 

 

 

 

This unit has been exposed to a strong

Set this unit to the standby mode, disconnect the

 

 

external electric shock (such as lightning

power cable, plug it back in after 30 seconds, then use

 

or strong static electricity).

it normally.

 

 

 

 

 

 

 

 

There is a problem with the internal

Disconnect the AC power cable and contact the

 

 

circuitries of this unit.

nearest authorized Yamaha dealer or service center. If

 

 

 

 

 

an unusual odor or noise is generated from the unit,

 

 

 

 

do not turn on the power, disconnect the AC power

 

 

 

 

 

cable, and contact a service center for repair.

 

 

 

 

 

 

 

12 En