Troubleshooting
Refer to the chart below if the unit does not function properly. If the problem you are experiencing is not listed, or if the instructions fail to help you resolve the problem, 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 the speaker cables securely. |
| securely. |
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Sound level is too low. | Speaker cables are not connected | Connect the speaker cables correctly: |
| correctly. | L (left) to L, R (right) to R, “+” to |
|
| “+” and |
|
|
|
Problem | Cause | What to Do |
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|
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Power is not supplied even though the | The power plug is not securely | Turn the power switch OFF, then |
POWER switch is set to the ON position. | connected. | connect the power plug securely. |
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No sound. | The VOLUME control is set to 0. | Turn the VOLUME control to the |
|
| right (clockwise). |
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|
|
| The subwoofer cable is not connected | Connect the subwoofer cable |
| securely. | securely. |
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|
|
Sound level is too low. | You are playing a sound source that | Play a sound source that includes |
| includes inadequate bass frequencies. | more bass frequencies. |
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|
|
| The sound level has been diminished | Reposition the subwoofer, or break |
| by standing waves. | up the parallel wall surface by |
|
| placing bookshelves or other large |
|
| objects along the wall. |
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