Harman/Kardon AVR 170 Owner's Manual download pdf (Page 28)

AVR

Troubleshooting

Symptom Cause Solution

Unit does not function when Main Power switch is

turned on

• No AC power • Ensure that the power cord is plugged into a live AC

power outlet

• Check if the AC outlet is switch-controlled

Front-panel Message display lights, but there's no

sound or picture

• Intermittent input connection

• Mute is on

• Volume control is turned down

• Secure all input and speaker connections

• Press Mute button

• Turn up Volume control

No sound from any speaker; PROTECT message

appears on Message display

• Amplier is in protection mode due to possible short

circuit

• Amplifier is in protection mode due to internal problems

• Check all speaker wires at speaker and AVR

connections for crossed wires

• Contact your local Harman Kardon service center

No sound from center or surround speakers • Incorrect surround mode

• Program material is monophonic

• Incorrect speaker configuration

• Program material is stereo

• Select a surround mode other than stereo

• Mono programs contain no surround information

• Check the speaker configuration in the setup menu

• The surround decoder may not create center- or

surround-channel information from nonencoded stereo

programs

Unit does not respond to remote control commands • Weak batteries in remote

• AVR not selected

• Remote sensor is obscured

• Change batteries in remote

• Press the Setup/AVR button

• Ensure that the AVR’s front-panel remote sensor is in

the line of sight of the remote

Intermittent buzzing in tuner • Local interference • Move the AVR or antenna away from computers,

ﬂuorescent lights, motors or other electrical appliances

Unable to activate remote control Programming mode • Source Selector button is not held for at least 3 seconds • Be sure to hold the Source Selector button for at least

3 seconds

Additional information on troubleshooting possible problems with your AVR and 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: www.harmankardon.com

Troubleshooting