Manual

TROUBLESHOOTING GUIDE
SYMPTOM
CAUSE SOLUTION
UnitdoesnotfunctionwhenMain
PowerSwitchis pushed
NoACPower ,, MakecertainACpowercordispluggedinto
a liveoutbt
• Checkto seewhetheroutletisswitchcontrolled
Displaylights,butnosound
orpk}ture
Intermittentinputconnections
Muteison
Volumecontrolisdown
,, Makecertainthatallinputandspeakerconnections
aresecure
,, PressMute Button
• Turnupvolumecontrol
Unitturnson,butfrontpanel _ Displaybrightnessi8turnedoff ,, FollowtheinstructionsintheDisplayBrightnesssection
displaydoesnotlightup onpage28 sothatthedisplayissetto V FD F UL L
Nosoundfromanyspeaker: _/4rnplifleris it/protectionmode ,, Checkspeakerwireconnectionsforshortsat receiverand
lightaroundpowerswitchis red dueto possibleshort speakerends
Arnplifleris in protectionmode ,, ContactyourlocalHarmanKardonservicecenter
dueto internalproblems
Nosoundfromsurroundor _ Incorrectsurroundmode ,, Selecta modeolherthanStereo
centerspeake/s _,Inputismonaural • Thereisnosurroundinbrmationfrommonosources
Incorrectconfigurallon ,, Checkspeakermodeconfiguration
Stereoor Monoprograrnmaterial ,,Thesurrounddecodermaynotcreatecenteporreapchannel
infom_ationhornr_onencodedprograrns
Unitdoesnotrespondto _ Weakbatteriesinremote ,, Changeremotebatteries
remotecommands _ Wro%deviceselected ,, PresstheAVRselector
Remotesensorisobscured ,, Makecertainfrontpanelsensoris visibleto remote
or eonnectremotesensor
Intermitlentbuzzingin tuner _ Localinterterence • Moveunitorantennaawayfromcomputers,fluorescent
lights,moto/sor otherelecthealappliances
Lettersflashinthechannelindicator _ Digitalaudiofeedpaused • Resumeplaytor DVD
displayanddigitalaudiostops • CheckthatDigitalInputisselected
Inadditionto theitemsshownabove,additionalintormallonontroubleshootingpossibleproblemswithyourAVR155, orinstallallonrelatedissues,mayberoundin thelistof
"FrequentlyAskedQuestions"whichislocatedin theProductSupportsectionof ourWebsiteatwww,harmankardoncorn,
Processor Reset
h therarecasewheretheunit'soperallonorlhedis
playsseemabnormal,thecausemayinvolvetheerraae
operationof thesystem'smemoryor mieroprocesson
Tocorrectthisproblem,firstunplugtheunittromthe
ACwalloutleta_dwaitatleastthreeminutes.A_terthe
pause,reconnecttheA(}powercold andcheckthe
unit'soperation.If thesystemstillmalfunctions,a sys
ternresetmay{}leartheproblem
To{',leartheAVR135'sentiresyslemmemoryindud
ingtunerpresets,outputlevelsettings,delaytimesand
speakerconfigurationdata,pressandholdtheTone
ModeButtonQ buttonbr threeseconds.Theunit
willturnonautomatically.
NOTE:ResetLingtheprocessorwilleraseanyconfigu
rationsetlingsyouhavemadeforspeakers,output
levels,surroundrhodes,digitalinputassignmer/tsas
wellasthetunerpreselsTheunitwillbereturnedto
thetactorypreset,andallsettingstot theseitems
mustbereentered.
Ifthesystemisshlloperatingincorrecfl_,theremay
havebeenanelect/onicdisd/argeorsevereA(} line
interferencethathascorruptedthemernoryor
mJoroprocesso/,
If thesestepsdo notsolvetheproblem,consultan
authorizedHarmanKardonservieeoente[