• No AC power• Ensure that the power cord is plugged into a live AC
power outlet
• Check if the AC outlet is switch-controlled
Front-panel Message display lights, but there's no
sound or picture
• Intermittent input connection
• Mute is on
• Volume control is turned down
• Secure all input and speaker connections
• Press Mute button
• Turn up Volume control
No sound from any speaker; PROTECT message
appears on Message display
• Amplifier is in protection mode due to possible short
circuit
• Amplifier is in protection mode due to internal problems
• Check all speaker wires at speaker and AVR
connections for crossed wires
• Contact your local Harman Kardon service center
No sound from center or surround speakers• Incorrect surround mode
• Program material is monophonic
• Incorrect speaker configuration
• Program material is stereo
• Select a surround mode other than stereo
• Mono programs contain no surround information
• Check the speaker configuration in the setup menu
• The surround decoder may not create center- or
surround-channel information from nonencoded stereo
programs
Unit does not respond to remote control commands• Weak batteries in remote
• AVR not selected
• Remote sensor is obscured
• Change batteries in remote
• Press the Setup/AVR button
• Ensure that the AVR’s front-panel remote sensor is in
the line of sight of the remote
Intermittent buzzing in tuner• Local interference• Move the AVR or antenna away from computers,
fluorescent lights, motors or other electrical appliances
Unable to activate remote control Programming mode• Source Selector button is not held for at least 3 seconds• Be sure to hold the Source Selector button for at least
3 seconds
Additional information on troubleshooting possible problems with your AVR and 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: www.harmankardon.com
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