In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 435, or 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 at www.harmankardon.com.

Processor Reset

In the rare case where the unit's operation or the dis-

plays seem abnormal, the cause may involve the erratic

operation of the system's memory or microprocessor.

To correct this problem, first unplug the unit from the

AC wall outlet and wait at least 3 minutes. After the

pause, reconnect the AC power cord and check the

unit's operation. If the system still malfunctions, a

system reset may clear the problem.

To clear the AVR 435's entire system memory includ-

ing tuner presets, output level settings, delay times and

TROUBLESHOOTING GUIDE

CAUSE

• No AC Power

• Intermittent input connections

• Mute is on

• Volume control is down

• Display brightness is turned off

• Amplifier is in protection mode

due to possible short

• Amplifier is in protection mode

due to internal problems

• Incorrect surround mode

• Input is monaural

• Incorrect configuration

• Stereo or Mono program material

• Weak batteries in remote

• Wrong device selected

• Remote sensor is obscured

• Local interference

• Digital audio feed paused

• Additional cooling may not be required

speaker configuration data, first put the unit in Standby

by pressing the Standby/On Switch 1. Next, press

and hold the Surround Mode Group Selector 2

and the Tuning Mode Selector 8 buttons for three

seconds.

The unit will turn on automatically and display the

RESET message in the Upper Display Line #.

NOTE: Resetting the processor will erase any configu-

ration settings you have made for speakers, output

levels, surround modes, digital input assignments as

well as the tuner presets. After a reset the unit will be

SOLUTION

• Make certain AC power cord is plugged into

a live outlet

• Check to see whether outlet is switch-controlled

• Make certain that all input and speaker connections

are secure

• Press Mute Button

• Turn up volume control

• Follow the instructions in the Display Brightness section

so that the display is set to VFD FULL

on page 38 or 39

• Check speaker wire connections for shorts at receiver and

speaker ends

• Contact your local Harman Kardon service center

• Select a mode other than Stereo

• There is no surround information from mono sources

• Check speaker mode configuration

• The surround decoder may not create center- or rear-channel

information from non-encoded programs

• Change remote batteries

• Press the AVR selector

• Make certain front-panel sensor is visible to remote

or connect remote sensor

• Move unit or antenna away from computers, fluorescent

lights, motors or other electrical appliances

• Resume play for DVD

• Check that Digital Input is selected

• The fan is activated only when additional cooling is required due to

high internal temperature. It is normal for the fan to be inactive at

normal volume levels.

returned to the factory presets, and all settings for

these items must be reentered.

If the system is still operating incorrectly, there may

have been an electronic discharge or severe AC line

interference that has corrupted the memory or

microprocessor.

If these steps do not solve the problem, consult an

authorized Harman Kardon service center.

harman/kardon

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Troubleshooting Guide; Processor Reset - Harman Kardon AVR435 Service Manual