Symptom Possible Cause Remedy
WattBox is
not receiving
power
(the Power
Connection
LED is not
illuminated 1
minute aer
connecting
AC power).
WattBox is not
turned on.
If the power button does not glow amber,
press it.
No power is being
supplied.
Ensure the AC power plug is plugged into
a properly grounded 120V wall outlet.
Some outlets are controlled by a wall
switch. Flip the switches in the room,
especially those near the wall outlet. Also
check the location’s circuit breakers.
Too many devices
are connected,
causing an
overload.
Check the fuse on the AC Inlet. If it is
blown, reduce the connected load and
replace fuse.
Speakers emit
a humming or
buzzing noise.
WattBox is
sharing AC
power with
equipment that
is not properly
grounded.
Connect WattBox to a dedicated outlet.
Unplug components one at a time to see if
the noise stops.
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