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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 to see 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
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 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 • Resume play for DVD
display and digital audio stops • Check that Digital Input is selected
The XM Preview Channel (001) • XM antenna is not plugged in • Make sure you are using a home audio XM antenna module
is silent 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.
• XM antenna is not located in such • The XM Antenna module needs to be placed with an
a way as to enable reception 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.
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