Harman Kardon AVR 144 Owners Manual - Page 44

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 visible to 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 In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 144, 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. 44