TROUBLESHOOTING GUIDETROUBLESHOOTING 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 Button33
Y Volume control is downY Turn up volume control
Unit turns on, but front-panel Y Display brightness is turned offY Follow the instructions in the Display Brightness section
display does not light upon page 36 so that the display is set to VFD FULL
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 non-encoded 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
Processor ResetThe unit will turn on automatically and display the
RESET message in the Upper Display Line #.
In the rare case where the unitOs operation or the dis-
plays seem abnormal, the cause may involve the erratic
NOTE: Resetting the processor will erase any configu-
operation of the systemOs memory or microprocessor.ration settings you have made for speakers, output
levels, surround modes, digital input assignments as
To correct this problem, first unplug the unit from thewell as the tuner presets. After a reset the unit will be
AC wall outlet and wait at least three minutes. After thereturned to the factory presets, and all settings for
pause, reconnect the AC power cord and check thethese items must be reentered.
unitOs operation. If the system still malfunctions, a
system reset may clear the problem.
If the system is still operating incorrectly, there may
have been an electronic discharge or severe AC line
To clear the AVR 430Os entire system memory includ-interference that has corrupted the memory or
ing tuner presets, output level settings, delay times andmicroprocessor.
speaker configuration data, first put the unit in Standby
by pressing the Standby/On Switch 1. Next, pressIf these steps do not solve the problem, consult an
and hold the Surround Mode Group Selector 2authorized Harman Kardon service center.
and the Tuning Mode Selector 8 buttons for three
seconds.
50 TROUBLESHOOTING GUIDE |
ACEC
HARMAN KARDON
