Troubleshooting; First, Check The Following; Power, System And Remote Control - Yamaha AVENTAGE RX-A3080 Owner's Manual

Troubleshooting

Refer to the table below when the unit does not function properly.
If the problem you are experiencing is not listed below or if the instructions below do not help, turn off the unit, disconnect the power cable, and contact the nearest authorized Yamaha dealer or
service center.

First, check the following:

1
The power cables of the unit, TV and playback devices (such as BD/DVD players) are connected to AC wall outlets securely.
2
The unit, subwoofer, TV and playback devices (such as BD/DVD players) are turned on.
3
The connectors of each cable are securely inserted in to jacks on each device.

Power, system and remote control

Problem
The power does not turn on.
The power does not turn off.
The power turns off (standby mode) immediately.
The unit enters standby mode automatically.
The unit is not reacting.
Cause
The protection circuitry has been activated three times consecutively.
When the unit is in this condition, the standby indicator on the unit blinks
if you try to turn on the power.
The internal microcomputer has frozen, due to an external electric shock
(such as lightning or excessive static electricity) or to a drop in the power
supply voltage.
The unit was turned on while a speaker cable was shorted.
The sleep timer worked.
The auto-standby function activated because the unit was not used for
the specified time.
The speaker impedance setting is incorrect.
The protection circuitry has been activated because of a short circuit.
The protection circuitry has been activated because the volume of the
unit is too high.
The internal microcomputer is frozen, due to an external electric shock
(such as lightning or excessive static electricity) or to a drop in the power
supply voltage.
En
As a safety precaution, capability to turn on the power is disabled. Contact your nearest
Yamaha dealer or service center to request repair.
Hold down on the front panel for more than 10 seconds to initialize and reboot the unit.
(If the problem persists, disconnect the power cable from the AC wall outlet and plug it
again.)
Twist the bare wires of each speaker cable firmly and reconnect to the unit and speakers
(p.29).
Turn on the unit and start playback again.
To disable the auto-standby function, set "Auto Power Standby" in the "Setup" menu to
"Off" (p.157).
Set the speaker impedance to match your speakers (p.159).
Twist the bare wires of each speaker cable firmly and reconnect to the unit and speakers
(p.29).
Turn down the volume. If "ECO Mode" in the "Setup" menu is set to "On", set it to "Off"
(p.157).
Hold down MAIN ZONE z on the front panel for more than 10 seconds to initialize and
reboot the unit. (If the problem persists, disconnect the power cable from the AC wall
outlet and plug it again.)
165
Remedy