Niles Audio Troubleshooting Common Issues with Stereo Amplifiers

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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 1-800-BUY-HIFI (289-4434) or (760) 710-0992. The most common problems relate to hook up. Call from your telephone extension nearest the system.

 

Symptom

Possible Causes and Test Procedure

 

 

 

 

 

 

 

Short circuit or loose wire at the speaker or amplifier terminals.

 

 

Check that the connections are secure and that there are no

 

 

loose strands of wire crossing from the positive to the negative

 

 

terminals at the back of the amplifier and /or the speaker.

 

 

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,

 

 

connect the two conductors at one end and test with a meter for

 

 

continuity.

 

 

Speaker is not working. Connect the speaker to a channel that

 

 

plays another speaker. Audio cable to input is bad. Connect

 

 

another cable that is known to be good.

 

 

 

 

 

No sound on

Audio cable to the main inputs is bad. Connect another cable that

 

both channels

is known to be good.

 

 

 

 

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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Contents SI- SI- SI Congratulations Important Safety Instructions FCC Required TextBridgable Power Amplifiers IntroductionTransparent Sound Features and BenefitsReal World Power Freedom from Fan NoiseLifetime Connections Status Display for TroubleshootingBridged Mode Turn-On ModesInstallation Considerations PlacementTurn-On Mode Installation Considerations Multiple Speaker LoadsCable and Wire Tech TIPFront and Rear Panel Details To the amplifier Amplifiers Mm mini-jack for Voltage inputBicolor Status LED illuminates Output maintaining proper polarity InstallationWant to control FG00933Bare Wire Speaker Wire ConnectionsLine Level Audio Input Use audio patch cables with RCARCA plugs into the amplifier’s jacks Cascade Audio OutputsPlug the male end of the AC power AC Power PlugOperation Continuity No sound onOne channel Another cable that is known to be goodHum from the speakers Amp will not turn onWeight Average PowerSignal to Noise Design PrincipleBUY-HIFI Limited Warranty Remedies for Breach of WarrantyChannel, Bridgable Power Amplifiers 0 0 B U Y H I F I w w w . n i l e s a u d i o . c o m