Operation Manual

45
ENGLISH
AVR
Troubleshooting
Symptom Cause Solution
Unit does not function when Main Power switch is
turned on
•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
•Amplierisinprotectionmodeduetopossibleshort
circuit
•Amplier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conguration
•Programmaterialisstereo
•Selectasurroundmodeotherthanstereo
•Monoprogramscontainnosurroundinformation
•Checkthespeakercongurationinthesetupmenu
•Thesurrounddecodermaynotcreatecenter-or
surround-channel information from nonencoded
programs
Unit does not respond to remote control commands •Weakbatteriesinremote
•Remotesensorisobscured
•Changebatteriesinremote
•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
(AVR 3700/AVR 370 only): Surround-back speaker
settings cannot be accessed, and the test tone does not
play through the surround back speakers
•Multi-zoneoperationhasbeenselected/AssignedAMP
channels have been assigned to Zone 2
•UsetheSpeakerSetupmenutoreassigntheAssigned
AMP to the surround back left and right channels
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
Remote buttons light, but AVR does not respond •RemoteisinZone2mode •SlideZoneSelectorswitchtotheZone1position.
Unable to establish network connection •AVRnetworkprogrammingrequiresrebooting •CycletheAVRintotheStandbymode,andthenturnit
on again
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