22
Troubleshooting
Problem
Possible Cause
Solution
The unit fails to turn on or.
no sound.
Power cords not plugged in
securely..
Check power cord and plug
connection..
The unit can turn on but
no sound.
Speaker is not connected.
Connect the speaker cable.
Volume controls at minimum level.
Turn volume up.
Sound from one channel
only.
Speaker connections, input/output
connections not secure..
Connect securely.
Some Zone no sound.
Speaker connections.
Connect securely.
Some Zone volume set to
minimum..
Adjust some Zone volume control.
Instrument sound
reversed in stereo
playback..
Incorrect speaker polarity.
and - connections are
connections.
Incorrect input polarity.
and - connections are
connections.
The unit doesn't operate
correctly with remote.
Battery dead.
Replace batteries.
Batteries inserted incorrectly.
Check are correct.
Remote too far from the unit
Use closer.
Obstacle between remote and the
unit
Remove obstacles.
Incorrect button being used.
Use correct button.
Attention on remote control
This remote control can control the functions of this unit only.
Solution to update the remote control software if it does not work is as below.
1. Power on the unit
2. Press ZOOM3 button on front panel of the unit and to press any key on remote control to study at
same time, the updating process succeed after it shows WRITE OK on display.
3. When the display shows WELCOME, it means the updating process has failed, please repeat
above actions.
