Troubleshooting guide – Harman-Kardon AVR 146 User Manual
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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 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
In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 146, 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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