PLENA matrix Troubleshooting | en 43
Bosch Security Systems B.V.
User manual
2020-12 | V1.1 |
Problem Possible cause Possible solution
– Check if a cable has
been damaged in the
daisy‑chain.
The call station is activated
but, announcement did not
come through the system.
– Unit has just been turned
on.
– A chime has been
programmed to play
before any
announcement.
– The announcement level
is not at a sufficient level
for the selected zone.
– The user is not speaking
loudly enough towards
the microphone.
– Wait 15 seconds, until
unit has been identified
by the DSP matrix mixer
before attempting to use
it.
– Wait for LEDs to turn
green on the call station
before talking or
deactivate the chime via
the GUI.
– Within the GUI check
that all call station levels
are set to appropriately
and the mute is not
activated.
– Speak slowly and clearly
towards the microphone.
Rack units are not found in
target search.
– Ethernet cables have
been disconnected.
– Unit(s) and/or router are
not on.
– PC is not connected to
network.
– Check all unit are
connected to power,
check cabling is correctly
connected, check that
the PC is connected to
the network.
9.1 Customer service
If a fault cannot be resolved, please contact your supplier or system integrator, or go directly
to your Bosch representative.
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