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46
TROUBLESHOOTING GUIDE
SYMPTOM CAUSE SOLUTION
Unit does not function when Main • No AC power • Make certain AC power cord is plugged into
Power Switch is pushed a live outlet
• Check whether outlet is switch-controlled
Display lights, but no sound • Intermittent input connections • Make certain that all input and speaker connections
or picture are secure
• Mute is on • Press Mute Button
• Volume control is down • Turn up volume control
• Source device is turned off • Turn on source and check its settings
• Incorrect audio/video inputs assigned • Use Input Setup menu to assign inputs
to source
• Attempting to view HDMI video with • The AVR 154 will select the last-used analog video input for an
another audio source input audio-only source, but will not select an HDMI video input; for
multichannel disc players, use a component, composite or
S-video connection
No sound from any speaker; • Amplifier is in protection mode • Check speaker wire connections for shorts at receiver and
light around power switch is red due to possible short speaker ends
• Amplifier is in protection mode • Contact your local Harman Kardon service center
due to internal problems
No sound from surround or • Incorrect surround mode • Select a mode other than Stereo
center speakers • Input is monaural • There is no surround information from mono sources
• Incorrect configuration • Check speaker mode configuration
• Stereo or Mono program material • The surround decoder may not create center- or rear-channel
information from nonencoded programs
Unit does not respond to • Weak batteries in remote • Change remote batteries
remote commands • Wrong device selected • Press the AVR selector
• Remote sensor is obscured • Make certain front-panel sensor is in line of sight of 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 • Resume play for DVD
display and digital audio stops • Check Digital Input selection
In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 154, 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.