Sennheiser AC 3 - If a Problem Occurs

14 | AC 3
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 partner for assistance.
Problem Possible cause Possible solution
Transmitters
cannot be
switched on
Transmitters are
not powered
Check the connections of
the NT 3-1 table top power
supply and/or check the
BNC sockets
RF IN 1 to
RF IN 4 쐂
You have
connected trans-
mitters of the
ew G2 series
Make sure that these trans-
mitters have their own
power supply
Disturbed RF
transmission
Antenna is not
connected
correctly
Check the antenna
connection
Connection cable
is defective
Replace the connection
cable
Excessive RF
signal attenua-
tion due to too
long antenna
cable or incorrect
type of antenna
cable
Only use the recommended
antenna cable (see “Acces-
sories” on page 15)
or use a shorter antenna
cable
or use a low-attenuation
RF cable
LED 1 ... 4 쐋
does not light
up
Short-circuit in
the BNC socket
RF IN 1 ... RF IN 4
Check the antenna
connection
Replace the connection
cable
You have
connected trans-
mitters of the
ew G2 series
Make sure that these trans-
mitters have their own
power supply