Troubleshooting Guide - Harman Kardon AVR 147 Owner's Manual

SYMPTOM
Unit does not function when Main
Power Switch is pushed
Display lights, but no sound
or picture
No sound from any speaker;
light around power switch is red
No sound from surround or
center speakers
Unit does not respond to
remote commands
Intermittent buzzing in tuner
Letters flash in the channel indicator
display and digital audio stops
The XM Preview Channel (001)
is silent
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.

TROUBLESHOOTING GUIDE

CAUSE
• No AC Power
• Intermittent input connections
• Mute is on
• Volume control is down
• Amplifier is in protection mode
due to possible short
• Amplifier is in protection mode
due to internal problems
• Incorrect surround mode
• Input is monaural
• Incorrect configuration
• Stereo or Mono program material
• Weak batteries in remote
• Wrong device selected
• Remote sensor is obscured
• Local interference
• Digital audio feed paused
• XM antenna is not plugged in
• XM antenna is not located in such
a way as to enable reception
SOLUTION
• Make certain AC power cord is plugged into
a live outlet
• Check to see whether outlet is switch-controlled
• Make certain that all input and speaker connections
are secure
• Press Mute Button
• Turn up volume control
• Check speaker wire connections for shorts at receiver and
speaker ends
• Contact your local Harman Kardon service center
• 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
• 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
• Move unit or antenna away from computers, fluorescent
lights, motors or other electrical appliances
• Resume play for DVD
• Check that Digital Input is selected
• 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.
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