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TROUBLESHOOTING
14
En
Refer to the chart below if this 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 this unit,
disconnect the power cable, and then contact the nearest authorized Yamaha dealer or service center.
TROUBLESHOOTING
Problem
Cause
Solution
See page
This unit fails to turn on.
The power cable is not connected or the plug is not completely
inserted.
Connect the power cable firmly.
The protection circuitry has been activated because of a short
circuit, etc.
Check that the speaker wires are not touching each other and then turn the
power of this unit back on.
There is a problem with the internal circuitries of this unit.
Disconnect the power cable and contact the nearest authorized Yamaha
dealer or service center.
-
A speaker with a low impedance is connected.
Use speaker(s) with proper speaker impedance (6
Ω
or higher).
This unit turns off suddenly and the power
indicator turns off.
The speaker wires are touching each other or shorting out against
the rear panel.
Connect the speaker cables properly and turn the power on again. Confirm
normal sound output from speakers after the unit is turned on.
The speaker is malfunctioning.
Replace the speaker set and turn the power on again. Confirm normal
sound output from speakers after the unit is turned on.
-
The protection circuitry has been activated because of excessive
input or excessive volume level.
Rotate the VOLUME control on the front panel to decrease the volume
level and then turn the power on again.
-
The protection circuitry has been activated due to excessive internal
temperature.
Allow about 30 minutes for the temperature inside this unit to decrease,
rotate the VOLUME control on the front panel to lower the volume and
then turn the power on again. Set the unit in a place where heat can readily
dissipate from the unit.
-
This unit has been exposed to a strong external electric shock (such
as lightning or strong static electricity).
Turn off this unit, disconnect the power cable, plug it back in after 30
seconds, then use the unit normally.
-
There is a problem with the internal circuitries of this unit.
Disconnect the power cable and contact the nearest authorized Yamaha
dealer or service center.
-