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 |
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No sound. | 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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For SW-P130
Problem | Cause | What to Do |
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Power is not supplied even | The power plug is not securely | Connect it securely. |
though the POWER switch is set | connected. |
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to the ON position. |
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No sound. | The VOLUME control is set to 0. | Turn the VOLUME control to the right |
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| (clockwise). |
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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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| A source sound with few bass | Play a source sound with bass |
| frequencies is played. | frequencies. |
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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 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 | Move the subwoofer farther away from |
the standby mode automatically. | generated from external appliances etc. | such appliances and/or reposition the |
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| connected speaker cables. |
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| Otherwise, set the AUTO STANDBY |
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| switch to the “OFF” position. |
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| The AUTO STANDBY switch is set to | Set the AUTO STANDBY switch to the |
| the OFF position. | “HIGH” 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 | Move the subwoofer farther away from |
unexpectedly. | generated from external appliances etc. | such appliances and/or reposition the |
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| connected speaker cables. |
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| Otherwise, set the AUTO STANDBY |
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| switch to the “OFF” position. |
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