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Troubleshooting Guide
If a problem occurs while you are using the remote controller, first try to operate the controls on the front panel of the
TX-NR801/TX-NR801E to make sure that it is not due to a malfunction (or dead batteries) in the remote controller.
Symptoms Causes Remedies
POWER
No power.
Power cord is disconnected. Connect power cord (See page 27).
External noise is affecting the internal
microcomputer.
Turn off the power, wait five seconds, and then
turn the power back on (See page 27).
Power turns on but no
sound.
“Muting” is displayed.
Press the MUTING button on the remote control-
ler to turn off muting (See page 39).
Bad connections or wiring.
Check connections, speaker cables, and other wir-
ing (See pages 18 to 26).
Sound of playback source
is not heard.
Input selector is not set properly. Set to correct input source (See page 39).
Headphones are connected.
Lower volume and then disconnect headphones
(See page 39).
Power shuts off immedi-
ately after power on.
Amplifier protection circuitry is activated.
Remove the power cord from outlet immediately.
Contact your Onkyo service center.
SPEAKERS
No sound from the center
speaker, or at very low vol-
ume.
Speaker cable is not connected.
Check the connection between TX-NR801/
TX-NR801E and speaker (See page 18).
Listening mode is set to Stereo, Pure Audio
or Direct.
Set the Listening mode to any mode other than
Stereo, Pure Audio or Direct. The output to the
center speaker may differ depending on the listen-
ing mode (See page 42).
Center speaker volume is set to minimum.
Set the center speaker level to the appropriate vol-
ume (See pages 34, 35).
The Center setting is set to “None.”
Set the Center setting to “Large” or “Small” at
Setup Menu → Speaker Setup Menu → Speaker
Config Sub-menu (See page 33).
No sound or very low vol-
ume from subwoofer.
Subwoofer setting is set to “No.”
Set the Subwoofer setting to “Yes” at Setup Menu
→ Speaker Setup Menu → Speaker Config Sub-
menu (See page 33).
Subwoofer volume is set to minimum.
Set the subwoofer level to the appropriate volume
(See pages 34, 35).
Low frequency humming
is heard.
Not properly grounded. Check outer conductor of input plugs.
Turntable motor is not properly grounded. Check for proper ground connection.
Audio connection cables on the rear panel
are connected incorrectly.
Adjust the placement of the cables to reduce hum.
Howling is heard when the
volume is turned up.
Turntable and speakers are located too
close together.
Move them farther apart.
Rough or scratchy sound is
heard. High range is not
clear.
Turntable needle is dirty or worn, or a
problem exists with a connected compo-
nent.
Refer to the instructions of the connected compo-
nents and check for problems.
Treble control is too high.
Turn treble setting down at Setup Menu → Audio
Adjust Menu → Tone Control Sub-menu (See
page 54).
FM/AM TUNER
AM stations cannot be
received.
AM loop antenna is not connected.
Connect the included AM loop antenna to the AM
antenna terminals (See page 14).
Buzzing noise on AM sta-
tions (particularly notice-
able at night or with weak
stations).
Noise from electrical apparatus such as
fluorescent lamp.
Move the AM loop antenna to different position.
Set up an outdoor AM antenna (See page 15).
Noise is heard at high-
pitched sounds on AM sta-
tions.
Noise caused by TV set.
Place the AM loop antenna as far as possible from
the TV.
Move TX-NR801/TX-NR801E away from TV
set.