TROUBLESHOOTING GUIDE
SYMPTOM | CAUSE | SOLUTION |
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Unit does not function when Main | • No AC Power | • Make certain AC power cord is plugged into |
Power Switch is pushed |
| a live outlet |
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| • Check to see whether outlet is |
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Display lights, but no sound | • Intermittent input connections | • Make certain that all input and speaker connections |
or picture |
| are secure |
| • Mute is on | • Press Mute Button |
| • Volume control is down | • Turn up volume control |
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No sound from any speaker; | • Amplifier is in protection mode | • Check speaker wire connections for shorts at receiver and |
light around power switch is red | due to possible short | speaker ends |
| • Amplifier is in protection mode | • Contact your local Harman Kardon service center |
| due to internal problems |
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No sound from surround or | • Incorrect surround mode | • Select a mode other than Stereo |
center speakers | • Input is monaural | • There is no surround information from mono sources |
| • Incorrect configuration | • Check speaker mode configuration |
| • Stereo or Mono program material | • The surround decoder may not create center- or |
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| information from nonencoded programs |
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Unit does not respond to | • Weak batteries in remote | • Change remote batteries |
remote commands | • Wrong device selected | • Press the AVR selector |
| • Remote sensor is obscured | • Make certain front panel sensor is visible to remote |
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| or connect an optional remote sensor |
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Intermittent buzzing in tuner | • Local interference | • Move unit or antenna away from computers, fluorescent |
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| lights, motors or other electrical appliances |
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Letters flash in the channel indicator | • Digital audio feed paused | • Resume play for DVD |
display and digital audio stops |
| • Check that Digital Input is selected |
In addition to the items shown above, additional information on troubleshooting possible problems with your AVR 145, or
45
