AC 3200-II | 27
Cleaning and maintaining the AC 3200-II
Cleaning and maintaining the AC 3200-II
CAUTION
LIQUIDS CAN DAMAGE THE ELECTRONICS OF THE DEVICE
Liquids entering the housing of the device can cause a short-circuit and dam-
age the electronics
�
Keep all liquids away from the device
�
Do not use any solvents or cleansing agents
�
Before cleaning, disconnect the NT 12-125D mains unit from the mains power
supply
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Only use a dry cloth to clean the device
�
Regularly check the air vents for dust deposits
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If necessary, remove the dust
with a soft brush
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If a problem occurs
Problem
Possible cause
Solution
The LED
4
does
not light up
�
The AC 3200-II
doesn’t consume
current
�
Check if the AC 3200-II is
connected to the NT 12-125D
mains unit, if the mains unit is
connected to the mains power
supply and if the on/off switch
5
is pressed
�
Extra LEDs
3
light
up for RF inputs
which are not in
use
�
The transmitting an-
tenna or the antenna
cable is not connect-
ed, of the wrong type,
damaged or faulty
�
Check that the transmitting
antenna or the antenna cable
is correctly connected, of the
correct type, and is not dam-
aged or faulty
�
Check that the transmitting
antenna or the antenna cable
is connected to the antenna
output
8
and that all trans-
mitters are connected to RF
inputs
7
�
One or several LEDs
3
do not light up
�
A transmitter is con-
nected to the corre-
sponding input but
the transmitter
is not switched on
�
Switch the transmitter on
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