TROUBLESHOOTING

Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instructions given below do not help, disconnect the power cord and contact your authorized YAMAHA dealer or service center.

Problem

Cause

What to Do

 

 

 

Power is not supplied even

The power cord is not plugged in, or the

Plug the power cord into an AC outlet

though the STANDBY/ON button

POWER switch is set to the OFF

and/or set the POWER switch to the ON

is set to the ON position.

position.

position.

 

 

 

No sound.

The VOLUME control is set to 0.

Turn the VOLUME control to the right.

 

 

 

 

Speaker cords are not connected

Connect them securely.

 

securely.

 

 

 

 

Sound level is too low.

Speaker cords are not connected

Connect them correctly, that is L (left) to

 

correctly.

L, R (right) to R, “+” to “+” and “–” to “–”.

 

 

 

 

Setting of the PHASE switch is not

Set the switch to the other position.

 

proper.

 

 

 

 

 

A source sound with few bass

Play a source sound with bass

 

frequencies is played.

frequencies.

 

 

Set the HIGH CUT control to a higher

 

 

position.

 

 

 

 

It is influenced by standing waves.

Reposition the subwoofer or break up

 

 

the parallel surface by placing

 

 

bookshelves etc. along the walls.

 

 

 

The subwoofer does not turn on

The POWER switch is set to the OFF

Set the POWER switch to the ON

automatically.

position.

position.

 

 

 

 

The STANDBY/ON button is set to OFF.

Set the STANDBY/ON button to ON.

 

 

 

 

The AUTO STANDBY switch is set to

Set the AUTO STANDBY switch to the

 

the OFF position.

“HIGH” or “LOW” position.

 

 

 

 

The level of input signal is too low.

Set the AUTO STANDBY switch to the

 

 

“HIGH” position.

 

 

 

The subwoofer turns into the

The level of input signal is too low.

Set the AUTO STANDBY switch to the

standby mode unexpectedly.

 

“HIGH” position.

 

 

 

The subwoofer turns on

There is an influence of noise

Move the subwoofer farther away from

unexpectedly.

generated from external appliances etc.

such appliances and/or reposition the

 

 

connected speaker cables.

 

 

Otherwise, set the AUTO STANDBY

 

 

switch to the “OFF” position.

 

 

 

English

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