5 troubleshooting guide, Problem possible causes solution – TechniSat GigaSwitch 9/8 User Manual

Page 6

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Distribution of terrestrial programmes:

>

Ensure that the terrestrial signals fed into the system are of approximately equal
strength.

>

A terrestrial pre-amplifer is not required.

5 Troubleshooting guide

6

Problem

Possible causes

Solution

No reception on any pola-
risation plane.

Antenna position not cor-
rect

Check the position of your
antenna. Use the signal
strength indicator of your
receiver (transponder info)

Still no reception on any
polarisation plane

Short circuit in LNC
connection

Disconnect the branch
connections on after the
other to locate the short
circuit

No reception, or wrong
programmes, on individual
polarisation planes

LNC connections swit-
ched, or central wire in
connection too short

Check on the allocation of
cables and connectorsr.
E.g. use a receiver to
check on the signal direct-
ly in the LNC connection.

Outputs of individual par-
ties not functional

LNC voltage and/or swit-
ching criteria of receiver
incorrect

Try connecting the recei-
ving unit to a different
party output.
Check the LNC power and
the switching criteria with a
measuring device, or try
another receiving unit

No reception via receivers attached to
cascade unit.

LNCs not feeding in

Set switch on 9/8 G to
Off” for energy saving

Waves in terrestrial TV
image

Input signal too strong

Reduce level
(see Technical Data)

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