Troubleshooting Guide - Harman Kardon AVR 1600 Service Manual

TROUBLESHOOTING GUIDE

Symptom
Unit does not function when Main
Power Switch is turned on
Display lights, but no sound
or picture
No sound from any speaker;
PROTECT message appears on
front panel
No sound from surround or
center speakers
Unit does not respond to
remote commands
Intermittent buzzing in tuner
Additional information on troubleshooting possible problems with your AVR 1600, or installation-related issues, may be found in the list of "Frequently
Asked Questions" , which is located in the Product Support section at www.harmankardon.com.
Resetting the Remote
• To reset the remote to its factory defaults, simultaneously press and hold any Input
Selector and the "0" Numeric Key. When the Program LED flashes in amber, enter the
code "333". When the green LED goes out, the remote will have been fully reset.
PROCESSOR RESET
• To reset the AVR 1600, place it in Standby mode (press the front panel Standby/On
Switch so that the Power Indicator turns amber).
• Then press and hold the front-panel Surround Mode Button for at least 5 seconds until
the RESET message appears.
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Cause
• No AC Power
• Intermittent input connections
• Mute is on
• Volume control is down
• 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
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Solution
• Make certain AC power cord is plugged into a live outlet
• Check whether outlet is switch-controlled
• Secure all input and speaker connections
• Press Mute Button
• Turn up volume control
• Check speaker wires 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 configuration
• The surround decoder may not create center- or rear-channel
information from nonencoded programs
• Change remote batteries
• Press the AVR Button
• Make certain front-panel sensor is in line of sight of remote
or connect an optional remote sensor
• Move unit or antenna away from computers, fluorescent
lights, motors or other electrical appliances