Sennheiser EM 550 G2 Specifications download pdf (Page 26)

If a problem occurs ...

Problems that may occur when putting the NET 1 into operation

Problem Possible cause Possible solution

The green “READY” LED  has

gone off.

The power cord is not connected

correctly.

Check if the power cord is connected

correctly.

The NET 1 is switched off. Press the ON/OFF switch on the rear

panel (see page 9) to switch on the

NET 1.

The green “CHANNEL” LED 

does not light up, even though a

device is connected.

The cable of the corresponding device

is not connected correctly.

Check if the cable is connected

correctly.

The rack-mount device of the evolution

wireless G2 series is switched off.

Switch on the rack-mount device.

The cable between the NET 1 and the

rack-mount device is defective or the

connector assignment is incorrect.

Only use original Sennheiser cables.

Replace the cable or check the

connector assignment (see “Connector

assignment” on page 28).

The corresponding connection group is

double-occupied:

Devices are connected to the sub-D

socket and to the RJ 10 sockets.

Either remove the device connected to

the sub-D socket or the devices

connected to the RJ 10 sockets (see

“Connecting the devices” on page 13).

One of the receivers RX 1 or RX 2 of the

connected EM 3532 twin receiver is not

being detected due to the fact that the

receiver was switched off when the

NET 1 was switched on.

왘 Switch off the NET 1.

왘 Switch on both receivers RX 1/RX 2

of the EM 3532 twin receiver.

왘 Restart the NET 1 (see “Restarting

the NET 1” on page 27).

The green “READY” LED 

flashes.

The NET 1 is being initialized (duration:

approx. 20 sec.) and is not yet ready

for operation.

Wait until the “READY” LED  lights

up permanently, indicating that the

NET 1 is ready for operation.

The green “CHANNEL” LED 

flashes once every second.

The firmware of the connected device

is not compatible.

Update the firmware of the device (see

the Instructions for use of the

“Wireless Systems Manager”

software).

The assignment of the channel

buttons to the channels of the

EM 3532 twin receiver is

swapped.

Instead of the receiver RX 1, the

receiver RX 2 is connected to sub-D

socket on the NET 1.

Connect the receiver RX 1 to the sub-D

socket on the NET 1 (see “Connecting

an EM 3532 twin receiver” on

page 14).

The NET 1 does not react. Restart the NET 1 (see “Restarting the

NET 1” on page 27).

The yellow “REMOTE” LED 

does not light up.

Communication between the NET 1 and

the PC is disturbed.

Check the connections and cables as

well as the PC settings.

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Sennheiser EM 550 G2 Specifications Page 26

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