Troubleshooting Guide - Harman Kardon AVR 145 Owner's Manual

TROUBLESHOOTING GUIDE

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
In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 145, 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.
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
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 visible to 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
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