PLENA matrixTroubleshooting en 41
9 | Troubleshooting |
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| Problem | Possible cause | Possible solution | |
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| DSP matrix mixer or | – Power (plug) | – Insert power cord and | |
| amplifier: does not work and | disconnected and/or the |
| switch on the unit. |
| power LEDs are not | unit is switched off |
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| illuminated. |
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| – An audio output cable | – Check all input and | |
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| has come loose or has |
| output audio |
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| not been properly |
| connections, Plug in |
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| plugged in. |
| audio cables properly. |
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| – Within the PC GUI | – Check the audio levels in | |
| DSP matrix mixer or | controls the input or |
| the PC GUI are not |
| amplifier: No audio. | output levels have been |
| muted or set to a level |
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| muted or reduced to a |
| that is too low. |
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| very low level. | – Check the input source | |
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| – Input source is not |
| is working correctly and |
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| working correctly. |
| sending an appropriate |
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| level of signal. |
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| – The audio output cable | – | Check all connections |
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| has not been properly |
| have been made and |
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| plugged in. |
| plugged in properly. |
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| – The correct cables have | – | Check the recommended |
| DSP matrix mixer or | not been used. |
| cables have been used. |
| amplifier: The audio output | – The input level is | – Turn down the input | |
| sound is distorted or sounds | clipping. |
| level in the PC GUI |
| strange:. |
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| configuration screen. |
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| – Music source material is | – | Switch music source. |
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| not correct. |
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| Amplifier: Fault light | – Indicates a fault with | – | Send immediately for |
| constantly ON ( Red). | that amplifier channel. |
| service and/or contact |
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| the Bosch authorized |
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| dealer or installer for |
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| assistance. |
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Bosch Security Systems B.V. | Operation manual |