Troubleshooting Guide
41

SYMPTOM

No front panel lights when power
switch is pressed
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

CAUSE

• No AC Power
• Intermittent input connections
Muteis 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

SOLUTION

• Make certain AC power cord is plugged into
a live outlet
• Check to see if outlet is switch controlled
• Make certain that all input and speaker connections
are secure
• Press Mutebutton
• Turn up volume control
• Check speaker-wire connections
at receiver and speaker ends for shorts
• Contact your local Harman Kardon service depot
• Select a mode other than Stereo
• There is no surround information from mono sources
• Check speaker mode
• The surround decoder may not create center or rear
channel information from non-encoded programs
• Change remote batteries
• Press the AVR selector
• Make certain front panel sensor is visible to remote
or connect remote sensor
• Move unit or antenna away from computers, fluorescent
lights, motors or other electrical appliances

Troubleshooting Guide

AVR45 om (G).Eng,Fr 4/16/99 11:41 AM Page 41