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 cable and contact your authorized YAMAHA dealer or service center.
Problem | Cause | What to Do |
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Power is not supplied even | The power cable is not plugged in, or | Connect the power cable to both the AC |
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though the STANDBY/ON button | the POWER switch is set to the OFF | IN socket of the subwoofer and an AC |
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is set to the ON position. | position. | outlet securely, or set the POWER |
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| switch to the ON 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. |
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| securely. |
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Sound level is too low. | Speaker cables are not connected | Connect them correctly, that is L (left) to |
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| correctly. | L, R (right) to R, “+” to “+” and |
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| Setting of the PHASE is not proper. | Set the PHASE to the another mode. |
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| A source sound with few bass | Play a source sound with bass |
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| frequencies is played. | frequencies. |
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| Set the HIGH CUT control to a higher |
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| 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 |
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automatically. | position. | position. |
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| The subwoofer is set to the standby | Turn on the subwoofer again by |
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| mode by pressing the STANDBY/ON | pressing the STANDBY/ON button. |
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| button. (The power indicator is not |
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| illuminated.) |
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| The AUTO STANDBY switch is set to | Set the AUTO STANDBY switch to the |
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| 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 turns into the | The level of input signal is too low. | Set the AUTO STANDBY switch to the |
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standby mode unexpectedly. |
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| “HIGH” position. |
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The subwoofer turns on | There is an influence of noise | Move the subwoofer farther away from |
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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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The household breaker goes off. | The subwoofer consumes much | Turn down the volume on the amplifier |
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| electricity when a high level signal is | etc. connected to the subwoofer or cut off |
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| inputted to the subwoofer. | the power to other unused equipment. |
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The remote control does not | Direct sunlight or lighting (of an inverter | Change position of the main unit. |
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work. | type of fluorescent lamp etc.) is striking |
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| the remote control sensor of the main |
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| unit. |
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The distance or range within | The batteries of this remote control are | Replace the batteries with new ones. |
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which the remote control can be | too weak. |
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used decreases. |
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Note |
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When an excessive level of signal is inputted to the subwoofer for |
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5 to 15 minutes, the power indicator begins flashing to alarm you of |
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the danger of damaging the power amplifier and speaker in this |
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subwoofer system. If the signal input lasts for 5 minutes more, the |
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subwoofer turns into the standby mode automatically . |
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