User's Manual

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4. Simple Troubleshooting
Improper operation may result in damages or non-operation. If you feel that this
device is not working properly, follow the steps below to check its functions and
operation. Sometimes, the cause may be due to other components or electrical devices
used. Check the other components or devices are functioning properly. If the
problem persists after checking the items below, contact your dealer for service.
If this device cannot function normally, check for the symptoms in the following table
and apply the corresponding actions. If the symptom remains the same, turn off the
power, unplug the power cable and contact our service center.
Symptom Cause Action
No response
from this device
after turning on
the power
Power cable socket
not plugged or
improperly plugged
Plug the power cable properly.
Improper output
cable connection
Check for damages in the speaker
cable and USB cable.
Input signal cable not
plugged or
improperly plugged
Plug the signal cable properly.
No sound
Mute is enabled Press "Mute" again to disable the
Mute feature.
Noise
(from current)
Input cable plugged
improperly
Plug the cable properly. If problem
persists, the cable may be damaged.
Improper USB cable
connection
Check if the cable is damaged.Cannot use USB
interface
Software setting not
set properly.
Perform the setup again according to
the instructions in "System Setup"
and "Software Setup".