Harman Kardon AVR 147 Owners Manual - Page 53

TROUBLESHOOTING GUIDE SYMPTOM CAUSE SOLUTION Unit does not function when Main • No AC Power Power Switch is pushed • Make certain AC power cord is plugged into a live outlet • Check to see whether outlet is switch-controlled Display lights, but no sound or picture • Intermittent input connections • Mute is on • Volume control is down • Make certain that all input and speaker connections are secure • Press Mute Button • Turn up volume control No sound from any speaker; light around power switch is red • Amplifier is in protection mode due to possible short • Amplifier is in protection mode due to internal problems • Check speaker wire connections for shorts at receiver and speaker ends • Contact your local Harman Kardon service center No sound from surround or center speakers • Incorrect surround mode • Input is monaural • Incorrect configuration • Stereo or Mono program material • Select a mode other than Stereo • There is no surround information from mono sources • Check speaker mode configuration • The surround decoder may not create center- or rear-channel information from nonencoded programs Unit does not respond to remote commands • Weak batteries in remote • Wrong device selected • Remote sensor is obscured • Change remote batteries • Press the AVR selector • Make certain front-panel sensor is in line of sight of the remote or connect an optional remote sensor Intermittent buzzing in tuner • Local interference • Move unit or antenna away from computers, fluorescent lights, motors or other electrical appliances Letters flash in the channel indicator • Digital audio feed paused display and digital audio stops • Resume play for DVD • Check that Digital Input is selected The XM Preview Channel (001) is silent • XM antenna is not plugged in • XM antenna is not located in such a way as to enable reception • Make sure you are using a home audio XM antenna module designed for use with XM Ready home audio equipment, and that the module is plugged into the XM Radio Jack on the rear panel of the receiver. • The XM Antenna module needs to be placed with an unobstructed view of the southern sky, or within range of an XM terrestrial repeater. If necessary, purchase an extension cable from your XM Radio dealer. In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 147, or installation-related issues, may be found in the list of "Frequently Asked Questions" which is located in the Product Support section of our Web site at www.harmankardon.com. 53