| 7.0 Troubleshooting Table |
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No Power | • Turn on power. |
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| • Make sure the power cord is plugged in. |
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Power is on, but no sound | • Make sure the source is turned on. |
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| • Verify that there is an input signal from the source. The audio input signal indicator on |
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| the front of the chassis should be green. |
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| • Check the output signal indicators on the system controls. If the LED is not lit (green), |
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| the output levels may be too low. |
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| • Check the source routing. |
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| • Check the cable connections from the source to the chassis. |
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| • Verify the user interfaces are of the right type for the operating mode selected. |
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Power is on, but sound is low | • Verify that the audio input indicator is lit (green). If it is not lit, increase the source |
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| output or increase the input gain. |
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Sound is distorted | • Verify that the Input clipping indicators are not lit (red). If an LED is red, reduce the |
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| source output level or reduce the input gain. |
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| • Verify that the Output clipping indicators are not lit (red). If one is red, but Input clip- |
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| ping LEDs are not, reduce the output gain. |
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| • If the input source signal is clean when it enters the chassis and the Input and Output |
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| indicators are green, verify that the loudspeakers are not overdriven or damaged. |
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Unnatural sound | • Verify that the correct EQ is selected for speakers connected to the Output channel. |
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| • Verify that the speakers are wired correctly (+ to + and - to |
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User interfaces do not operate | • Verify that the user interfaces are wired correctly and to the proper zone (if there is |
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properly | more than one zone). |
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| • Check the wiring for breaks or shorts in the cable. |
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| • Verify the user interfaces are of the right type for the operating mode selected. |
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7.1 Technical assistance
If you need further technical assistance, contact your local Bose® representative, or visit pro.Bose.com.
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