Harman Kardon CITATION 7.1 Owners Manual - Page 20
Troubleshooting, Guide
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Input/Output Protection Under some conditions, such as a shorted speaker wire, DC voltage on an input connection or thermal overload, the Citation 7.1 will place itself in a "protect" mode to prevent damage to your speakers. When this happens the power indicator will turn red and no signal will be heard. You may hear a relay "click" on as the unit goes into its protection mode. When this occurs, turn the unit off using the rear panel switch, and correct the problem. Turn the unit back on. If the unit continues to go into a protect mode, contact your dealer or installer for assistance. Troubleshooting Guide The Citation 7.1 is designed for trouble free operation. In normal use, most users will not encounter any problems with the unit. However, as with any sophisticated electronic device, there may be occasional problems on initial installation, or during the life of the unit. The items on this list are a brief guide to the minor problems that you may be able to correct yourself. If these solutions do not rectify a problem, or if the problem persists, contact your dealer, installer or an authorized Citation service center for assistance. Problem Diagnosis Troubleshooting Hints Page Amplifier will not turn on. Master Power Switch Turned Turn on Master Power Off. (No Power Light LED) Switch. 8, 19 Make certain power cord 8 is firmly inserted into receptacle. Remote turn-on system not Check all connections and 8, 9 properly configured. switch settings for remote (Power Light LED is amber) system. Check External Trigger 9 Device. Amplifier turns on, but no audio from one or more channels. Inputs not connected to proper jack. Check Input Connections. 11-16 Speakers not connected properly. Check Speaker Connections. 13-18 Improper settings or output levels from the processor or controller. Check the settings on your preamp, processor or controller. Consult the manual for the source device. Audio plays, then cuts off. Amplifier Shorted (LED is red) Check Speaker connections 13-18 for short circuit. 21 1 1 1 1