Troubleshooting; Power And System - Yamaha RX-V473 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:
a The power cables of the unit, TV and playback devices (such as BD/DVD players) are connected to AC wall outlets
securely.
b The unit, subwoofer, TV and playback devices (such as BD/DVD players) are turned on.
c The connectors of each cable are securely inserted in to jacks on each device.

Power and system

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. If the unit is in this condition, the standby indicator
on the unit blinks when 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 kicked in 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 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.
Remedy
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 z (power) on the front panel for more than 10 seconds to initialize
and reboot the unit.
Twist the bare wires of each speaker cable firmly and reconnect to the unit and
speakers (p.16).
Turn on the unit and start playback again.
To disable the auto-standby function, set "Auto Power Down" in the "Setup" menu
to "Off" (p.75).
Set the speaker impedance to match your speakers (p.80).
Twist the bare wires of each speaker cable firmly and reconnect to the unit and
speakers (p.16).
Hold down z (power) on the front panel for more than 10 seconds to initialize
and reboot the unit.
APPENDIX ➤ Troubleshooting
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