Troubleshooting Guide
SYMPTOMCAUSESOLUTION
Unit does not function when MainY No AC PowerY Make certain AC power cord is plugged
Power Switch is pushedinto a live outlet
Y Check to see if outlet is switch controlled
Display lights, but no sound Y Intermittent input connectionsY Make certain that all input and speaker
or pictureY Mute is onconnections are secure
Y Volume control is downY Press Mute button
Y Turn up volume control
No sound from any speaker;Y Amplifier is in protection modeY Check speaker-wire connections for shorts at receiver
Light around power switch is reddue to possible shortand speaker ends
Y Amplifier is in protection mode Y Contact your local Harman Kardon service depot
due to internal problems
No sound from surround or Y Incorrect surround modeY Select a mode other than Stereo
center speakersY Input is monauralY There is no surround information from mono sources
Y Incorrect configurationY Check speaker mode
Y Stereo or Mono program materialY The surround decoder may not create center- or rear-channel
Y Speakers not properly connectedinformation from nonencoded programs
Y Check speaker wire connections or use test tone
to verify connections (see page 17)
Unit does not respond to Y 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
Processor Resetthe Main Power Switch 1 so that it popsIf the system is still operating incorrectly, there
out from its normal recessed position. Next,may have been an electronic discharge or
In the rare case where the unitOs operation orpress and hold the CD ! and Vid 2 #severe AC line interference that has corrupted
the displays seem abnormal, the cause maybuttons while pushing in the Main Powerthe memory or microprocessor.
involve the erratic operation of the systemOsSwitch 1 to turn the unit back on. Note that
memory or microprocessor.once you have cleared the memory in this man-If these steps do not solve the problem, consult
ner, it is necessary to re-establish all system an authorized Harman Kardon service depot.
To correct this problem, first unplug the unitconfiguration settings and tuner presets.
from the AC wall outlet and wait at least three
minutes. After the pause, reconnect the ACNOTE: Resetting the processor will erase any
power cord and check the unitOs operation. Ifconfiguration settings you have made for
the system still malfunctions, a system resetspeakers, output levels, surround modes, digital
may clear the problem.input assignments as well as the tuner presets.
After a reset the unit will be returned to the
To clear the AVR 100Os entire system memoryfactory presets, and all settings for these items
including tuner presets, output level settings,must be reentered.
delay times and speaker configuration data,
first turn the unit off by pressing and releasing
34 TROUBLESHOOTING GUIDE |
ACEC
HARMAN KARDON
