Harman Kardon Signature Series Owner's Manual

Contents

Service Information / Troubleshooting8Signature 2.1If your installation has followed the procedures in thismanual, you should enjoy many years of trouble-freeoperation and high-quality listening enjoyment. The2.1 does not contain any user-serviceable parts. If yoususpect a problem that may require service assistance,contact your dealer, installer or an authorized HarmanKardon service depot.You may also contact Harman Kardon via the WorldWide Web at www.harmankardon.comIt is important that any repairs be carried out only byan authorized Harman Kardon service agent to ensureproper service and preserve the protection of yourLimited Warranty. It is a good idea to keep your salesslip or receipt in a safe place (along with this manual) sothat it will be available to verify the purchase date forwarranty claims.Input/Output ProtectionUnder some conditions, such as a shorted speaker wire,DC voltage on an input connection or thermal overload,the amplifier will place itself in a “protect” mode toprevent damage to the amplifier. When this happens, theLED Power Indicator will flash and alternate between redand amber.When this occurs, IMMEDIATELY turn off the unit usingthe power switch and correct the problem. Then turn theunit back on. If the unit continues to go into a protectmode, contact your dealer or installer for assistance.Troubleshooting ChartThe items listed below are a brief guide to minor problems that may arise with audio equipment such as the 2.1. Beforetaking a unit in for service, you should check to see if any of these hints solve the problem. If these solutions do not rectifythe problem or if the problem recurs, contact your dealer or an authorized Harman Kardon service depot for assistance.PROBLEMAmplifier will not turn on.Amplifier turns on, but no audio fromone or more channels.Audio plays, then cuts off.DIAGNOSIS• Power Switch turned off.(No Power Light LED)• Remote trigger cable notproperly connected.• Inputs not connected toproper jack.• Speakers not connectedproperly.• Improper settings or outputlevels from processor orcontroller.• Amplifier shorted (LEDflashes amber and red).TROUBLESHOOTING HINTS• Turn on Power Switch.• Verify connection of trigger cableat both ends.• Check input connections.• Check speaker connections.• Check the settings on your preamp,processor or controller.• Check speaker connections forshort circuit.

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