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REFERENCE
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Troubleshooting
System issues What to do
System doesn’t turn on
• Make sure the Acoustimass
®
module power cord is inserted securely into the AC (mains) power outlet
and into the power connector on the Acoustimass module.
• Be sure to press a source button (CD•DVD, CBL•SAT, etc.) on the 3•2•1
®
remote.
• Unplug the power cord for 60 seconds, then plug it in again. This allows the unit to reset itself after a
power surge or power interruption.
• For a 230-240V system (used typically in Europe), make sure the power switch on the Acoustimass
module is turned on ( I ).
• For a dual voltage 3•2•1 system only, make sure the voltage setting is correct for your region. If it is set
to 115V, the system may not operate in a 230V region.
CAUTION: Do not change the voltage switch from 230V to 115V unless you are certain it is appropriate for
the power supply in your location.
No sound • Increase the volume.
• Check to see if MUTE is lit on the display. If it is, press the Mute button on the remote control to unmute
the sound.
• Be sure that you have pressed the correct source button (CD•DVD, CBL•SAT, etc.) on the 3•2•1
remote.
• Check the audio connections for the component you want to play.
• Connect the FM and AM antennas.
• Make sure that the cable between the Acoustimass module and the media center is connected securely.
• Check connections between the speakers and the Acoustimass module.
• Turn off the media center for 60 seconds, then on again, to restore communication between the media
center and the speakers.
Sound is distorted • Make sure speaker cables are not damaged and the connections are secure.
• Reduce the volume level on the external device playing through the 3•2•1 system speakers.
Sound is marred by a loud
hum or buzz
• Try plugging your system into a different AC outlet.
• Check to see if your media center and its audio input cable are within 3 ft (1 m) of any other electronic or
electrical device. Some examples are a TV, cable box, VCR, wireless internet router, dimmer switches,
blinking lights, or microwaves.
• Move the media center farther away and notice if the humming still occurs.