Siemens Desigo TRA Engineering, Mounting And Installation Manual page 81

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Transmitter is
occasionally not
received
Siemens
Building Technologies
Check with EPM100
In close proximity to the receiver
antenna (distance approx. 20-50
cm / 10-20 in), the EPM 100
receives transmitter telegram at
the limits.
Trigger transmission telegram, the
corresponding LO/HI LED is unlit on
the EPM.
(HI for flush-mount receiver; LO for
receiver with external antenna).
In close proximity to the receiver
antenna (distance approx. 20-50
cm / 10-20 in), the EPM 100 has
solid reception of the transmitter
telegram.
Invalid EnOcean telegrams are
occasionally received.
One of the two LO/HI LEDs is
occasionally lit on EPM 100, but not
the VALID LED.
Desigo TRA Engineering, mounting and installation
EnOcean RF networks
Possible cause and solution
a) Transmitter is within the limits of
the transmitter.
Move the transmitter or receiver antenna
or use a repeater. Comply with notes in
Section 1.
b) Transmitter not installed where
expected (or incorrectly assigned
transmitter/receiver).
Properly assign transmitter.
c) Transmitter mounting location
changes on occasion (e.g. not tightly
attached).
Move the mounting location of the
transmitter within the receiver range.
Receiver is not receiving.
Check receiver, as needed, the receiver
antenna and cabling for antenna cable as
well.
Jammer exists.
Eliminate jammer.
81 / 84
CM111043en_09
2016-02-22

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