Niles SI-1230 Installation & Operation Manual

Also see for SI-1230 Series 2: Features and specifications Installation guide Installation & operation guide Installation guide Installation & operation guide

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Niles SI-1230 Installation & Operation Manual Manual pdf 28 page image

27TROUBLESHOOTING GUIDETROUBLESHOOTING GUIDEWhen there is a problem consult this guide first. If the problem persists, or youhave additional questions, call your local Niles dealer or call Niles TechnicalSupport at 1-800-289-4434. The most common problems relate to hook up.SYMPTOMNo sound on one channelNo sound on some or allchannelsPOSSIBLE CAUSES AND TEST PROCEDUREBusMatrix DIP switch is not in the correct position.Check your configuration worksheet for the correctsetting and verify.Short circuit or loose wire at speaker or amplifierterminals. Check that connections are secure andthat there are no loose strands of wire crossing fromthe positive to the negative terminal at the back ofthe amplifier and the speaker.Short circuit or a break in the speaker wire. Dis-connect the speaker wire at both ends, separate the2 conductors at both ends and test with a meter fora short circuit. If there is no short, connect the twoconductors at one end and test with a meter forcontinuity.Speaker is not working. Connect the speaker to achannel that plays another speaker.Audio cable to dedicated input is bad. Connect thenon-working channel input to another cable that isknown to be good.Bridging Switch is in the wrong position. Checkyour configuration worksheet for the correct settingand verify.The thermal protection circuit has operated becauseof overheating caused by overdriving or inadequateventilation.BusMatrix DIP switches are not in the correct posi-tions. Check your configuration worksheet andverify all settings.Audio cable to the main bus inputs is bad. Connectthe non-working channel input to another cablethat is known to be good.Some or all of the internal amplifier fuses are blown.(Return the amplifier to your dealer for service).