Harman-Kardon Troubleshooting Guide for Harman Kardon AVR 247 and Common Issues

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 the correct digital input is selected
Surround Back Speaker settings	• Multiroom system has been turned on,	• Use the OSD menu system to access the Multiroom Setup
cannot be accessed, and test tone	and the surround back channels	menu and turn off the multiroom system.
does not play through Surround	were reassigned to multiroom operation
Back Speakers
The XM Preview Channel (001)	• XM antenna is not plugged in	• Make sure you are using a home audio XM antenna module
is silent		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.
	• XM antenna is not located in such	• The XM Antenna module needs to be placed with an
	a way as to enable reception	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.

Unable to activate Program mode on remote

•Input Selector not held for at least 3 seconds

•The selector will light as you initially press it, and go dark as you hold it down. Wait at least 3 seconds for the selector to light up again, and the Program LED will flash.

Unable to assign a device to	• Invalid device assignment attempted	• Only the DVD, VCR (includes DVR), cable or satellite (CBL/SAT
HDMI 1 or 2 selectors		selector) devices may be assigned to the HDMI 1 or 2 selectors.
Remote behaves erratically	• Buttons are pressed too hard	• Always press remote control buttons as gently as possible.

Additional information on troubleshooting possible problems with your AVR 247, 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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