TROUBLESHOOTING GUIDE
SYMPTOMCAUSESOLUTION
Unit does not function when MainY No AC PowerY Make certain AC power cord is plugged into
Power Switch is pusheda live outlet
Y Check to see whether outlet is switch-controlled
Display lights, but no soundY Intermittent input connectionsY Make certain that all input and speaker connections
or pictureare secure
Y Mute is onY Press Mute Button f
Y Volume control is downY Turn up volume control
No sound from any speaker;Y Amplifier is in protection mode Y Check speaker wire connections for shorts at receiver and
light around power switch is reddue to possible shortspeaker ends
Y Amplifier is in protection mode Y Contact your local Harman Kardon service center
due to internal problems
No sound from surround orY Incorrect surround modeY Select a mode other than Stereo
center speakersY Input is monauralY There is no surround information from mono sources
Y Incorrect configuration Y Check speaker mode configuration
Y Stereo or Mono program materialY The surround decoder may not create center- or rear-channel
information from nonencoded programs
Unit does not respond toY Weak batteries in remoteY Change remote batteries
remote commandsY Wrong device selectedY Press the AVR selector
Y Remote sensor is obscuredY Make certain front panel sensor is visible to remote
or connect remote sensor
Intermittent buzzing in tunerY Local interferenceY Move unit or antenna away from computers, fluorescent
lights, motors or other electrical appliances
Letters flash in the channel indicatorY Digital audio feed pausedY Resume play for DVD
display and digital audio stopsY Check that Digital Input is selected
In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 240, or installation-related issues, may be found in the list of
OFrequently Asked Questions� which is located in the Product Support section of our Web site at www.harmankardon.com.
Processor ResetNOTE: Resetting the processor will erase any configu-
ration settings you have made for speakers, output
In the rare case in which the unitOs operation or the dis-levels, surround modes, digital input assignments as
plays seem abnormal, the cause may involve the erraticwell as the tuner presets. The unit will be returned to
operation of the systemOs memory or microprocessor.the factory presets, and all settings for these items
must be reentered.
To correct this problem, first unplug the unit from the
AC wall outlet and wait at least three minutes. After theIf the system is still operating incorrectly, there may
pause, reconnect the AC power cord and check thehave been an electronic discharge or severe AC line
unitOs operation. If the system still malfunctions, a sys-
interference that has corrupted the memory or
tem reset may clear the problem.microprocessor.
To clear the AVR 240Os entire system memory includ-If these steps do not solve the problem, consult an
ing tuner presets, output level settings, delay times andauthorized Harman Kardon service center.
speaker configuration data, first place the AVR in
Standby Mode, and then press and hold the Tone
Mode Button 5 button for three seconds. The unit
will turn on automatically.
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ACEC
