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If a problem occurs ...
If a problem occurs ...
If a problem occurs that is not listed in the above table or if the problem cannot be solved
with the proposed solutions, please contact your local Sennheiser agent for assistance.
Problem Possible cause Possible solution
The LED ¿ does
not light up
The AC 3200 doesn’t consume
current
Check if the AC 3200 is
connected to the mains and
if the on/off switch
´ is
pressed
Extra LEDs » light up
for RF inputs which
are not in use
The transmitting antenna
is not connected, the
transmitting antenna is
faulty or the wrong type,
the cable to the transmitting
antenna is damaged, faulty,
or of the wrong type
Check that the transmitting
antenna is correctly connected,
is not damaged, and that the
connecting cable is undamaged
and is of the correct type.
Check that the transmitting
antenna is connected to the
antenna output
º and that
all transmitters are connected
to RF inputs
¶
One or several
LEDs
» do not light
up
A transmitter is connected to
the respective input but is
switched off
Switch the transmitter on
Disturbed reception
or no reception
The transmitting antenna is
not within the reception area
Reduce the distance between
transmitter and receiver
The receiver batteries are not
inserted or batteries are low
Replace the receiver batteries
The antenna is not connected
correctly
Check if the antenna is
connected correctly
Too high cable attenuation due
to too long antenna cables or
wrong type of antenna cable
Use a shorter antenna cable or
the correct type of antenna
cable
Use low-attenuation 50 Ω
coaxial cable
Interference or
intermodulation during
multi-channel operation
Set all transmitters of your
multi-channel system to
intermodulation-free
frequencies