Harman/Kardon AVR 156 Owner's Manual download pdf (Page 24)

AVR 156 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

Ampliﬁer 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 centre •

No sound from centre 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 centre- 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 aerial 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

0292CSK - HK (x65Series) AVR156-230 OM [HKP1991], WORK05.indd 24 30/06/11 12:42:13