TroubleShooting Guide
When there is a problem, consult this guide first. If the problem persists, or you have additional questions, call your local Niles dealer or Niles Technical Support at
| Symptom | Possible Causes and Test Procedure |
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| Short circuit or loose wire at the speaker or amplifier terminals. | |
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| Check that the connections are secure and that there are no | |
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| loose strands of wire crossing from the positive to the negative | |
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| terminals at the back of the amplifier and /or the speaker. | |
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| Short circuit or a break in the speaker wire. Disconnect the | |
| No sound on | speaker wire at both ends, separate the 2 conductors at both | |
| one channel | ends and test with a meter for a short circuit. If there is no short, | |
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| connect the two conductors at one end and test with a meter for | |
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| continuity. | |
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| Speaker is not working. Connect the speaker to a channel that | |
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| plays another speaker. Audio cable to input is bad. Connect | |
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| another cable that is known to be good. | |
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| No sound on | Audio cable to the main inputs is bad. Connect another cable that | |
| both channels | is known to be good. | |
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Hum from the speakers
Hum may be caused by a ground loop between two of the other components in the system. To test for another ground loop, try reversing the ac plugs of each of the components in the system.
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