35ENGLISHTROUBLESHOOTING GUIDEproceSSor reSetIf the unit behaves erratically after a power surge, first turn off the MainPower Switch and unplug the AC power cord for at least 3 minutes. Plug thecord back in and turn the receiver on. If this doesn’t help, reset the AVR.NOTE: A system reset erases all user configurations, including videoresolution, speaker and level settings, and tuner presets. After a reset,reenter all of these settings from your notes in the appendix worksheets.To reset the AVR 460/AVR 360, place it in Standby mode (press the front-panel Standby/On Switch so that the Power Indicator turns amber). Thenpress the front-panel OK Button for at least 5 seconds until the RESETmessage appears.If the receiver does not function correctly after a processor reset, contact anauthorized Harman Kardon service center for assistance. Authorized servicecenters may be located by visiting the Web site at www.harmankardon.com.NOTE: After performing a system reset, wait at least 1 minute beforepressing any Source Selectors.memoryIf the AVR 460/AVR 360 is unplugged or experiences a power outage, it willretain user settings for up to two weeks.SYMPTOM CAUSE SOLUTIONUnit does not function when MainPower Switch is turned onNo AC Power• Make certain AC power cord is plugged into a live outlet•Check whether outlet is switch-controlled•Display lights, but no sound orpictureIntermittent input connections• Secure all input and speaker connections•Mute is on• Press Mute Button•Volume control is down• Turn up volume control•No sound from any speaker;PROTECT message appears onfront panelAmplifier is in protection mode due to•possible shortCheck speaker wires for shorts at receiver and speaker ends•Amplifier is in protection mode due to•internal problemsContact your local Harman Kardon service center•No sound from surround or centerspeakersIncorrect surround mode• Select a mode other than Stereo•Input is monaural• There is no surround information from mono sources•Incorrect configuration• Check speaker configuration•Stereo or Mono program material• The surround decoder may not create center- or rear-channel•information from nonencoded programsUnit does not respond to remotecommandsWeak batteries in remote• Change remote batteries•Wrong device selected• Press the Setup Button•Remote sensor is obscured• Make certain front-panel sensor is in line of sight of remote or connect•an optional remote sensorIntermittent buzzing in tuner Local interference• Move unit or antenna away from computers, fluorescent lights,•motors or other electrical appliancesSurround Back Speaker settingscannot be accessed, and test tonedoes not play through SurroundBack SpeakersMultizone system has been turned on, and•the surround back channels were reassignedto multizone operationUse the menu system to access the Zone 2 menu and reassign the•surround back channels to the main roomUnable to activate Program modeon remoteAVR Settings Button not held for at least 3•secondsThe selector will light as you initially press it, and go dark as you hold•it down. Continue to hold it and wait 3 seconds for the selector tolight againRemote buttons light, but AVRdoes not respondRemote is in Zone 2 mode• Slide the Zone Switch at the bottom of the remote to the Zone 1•positionAdditional information on troubleshooting possible problems with your AVR 460/AVR 360, or installation-related issues, may be found inthe list of “Frequently Asked Questions”, which is located in the Product Support section at www.harmankardon.com.harman/kardonAVR 460/230 Service ManualPage 8 of 142