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 plug is not securely | Connect it securely. | |
though the STANDBY/ON switch | connected. |
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is set to the ON position. |
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The POWER switch is set to the OFF | Set the POWER switch to the ON | ||
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| position. | position. | |
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No sound. | The volume is set to minimum. | Raise the volume up. | |
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| Speaker cables are not connected | Connect them securely. | |
| securely. |
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Sound level is too low. | Speaker cables are not connected | Connect them correctly, that is L (left) to | |
| correctly. | L, R (right) to R, “+” to “+” and | |
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| Setting of the PHASE switch is not | Set the PHASE switch to the other | |
| proper. | position. | |
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| A source sound with few bass | Play a source sound with bass | |
| frequencies is played. | frequencies. Set the HIGH CUT control | |
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| to a higher position. | |
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| It is influenced by standing waves. | Reposition the subwoofer or break up | |
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| the parallel surface by placing | |
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| bookshelves etc. along the walls. | |
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The subwoofer does not turn on | The POWER switch is set to the OFF | Set the POWER switch to the ON | |
automatically. | position. | position. | |
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| The STANDBY/ON switch is set to the | Set the STANDBY/ON switch to the | |
| STANDBY position. | ON position. | |
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| The AUTO STANDBY switch is set to | Set the AUTO STANDBY switch to the | |
| the OFF position. | “HIGH” or “LOW” position. | |
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| The level of input signal is too low. | Set the AUTO STANDBY switch to the | |
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| “HIGH” position. | |
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The subwoofer does not turn into | There is an influence of noise generated | Move the subwoofer farther away from | |
the standby mode automatically. | from external appliances etc. | such appliances and/or reposition the | |
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| connected speaker cables. Otherwise, set | |
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| the AUTO STANDBY switch to the | |
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| OFF position. | |
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| The AUTO STANDBY switch is set to | Set the AUTO STANDBY switch to the | |
| the OFF position. | “HIGH” or “LOW” position. | |
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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. | |
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The subwoofer turns on | There is an influence of noise generated | Move the subwoofer farther away from | |
unexpectedly. | from external appliances etc. | such appliances and/or reposition the | |
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| connected speaker cables. Otherwise, set | |
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| the AUTO STANDBY switch to the | |
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| OFF position. | |
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