Plena Voice Alarm System Operation | en 85
Bosch Security Systems B.V. Installation and Operation manual 9922 141 1037x (V2.16) | V0.6 | 2011.09
Indicator Description Recommended action Additional information
Processor
reset
A processor reset is
detected.
Switch the voice alarm
controller off and on
again.
See section 6.2.1 .
Network A network fault is
detected.
Check all network
connections and the
network configuration.
See section 5.1.2 and
section 6.3.5 , section
5.1.3 and section 6.4 .
Call/EMG The call power amplifier
failed.
In 1-channel
mode:Switch the voice
alarm controller off and
on again.In 2-channel
mode:Switch the
external power
amplifies off and on
again.
See section 5.1.4 ,
section 5.2.5 and
section 6.1.4 and
section 6.1.5 .
Music/Spare The BGM power
amplifier failed.
In 1-channel
mode:Switch the
external power
amplifiers off and on
again.In 2- channel
mode:Switch the voice
alarm controller off and
on again.
See section 5.1.4 ,
section 5.2.5 and
section 6.1.4 and
section 6.1.5 .
Ground short A short-to-ground fault
in the loudspeaker line
cabling is detected.
Check all loudspeaker
lines for short-to-ground
situations.
See section 5.1.6 and
section 6.2.10 .
Input fault in the connection
to an emergency trigger
input is detected.
Check the connections
to all supervised
emergency trigger
inputs.
See section 10.1.1 and
section 6.2.5 .
Mains A mains power failure is
detected.
Check the mains power
connection of the voice
alarm controller and the
mains power
availability.
See section 5.1.12 and
section 6.2.6 .
Battery A back-up power failure
is detected.
Check the back-up
power supply
connection of the voice
alarm controller and the
back-up power
availability.
See section 5.1.12 and
section 6.2.7 .
Message A message fault is
detected.
Switch the voice alarm
controller off and on
again.
See section 6.2.8 .
EMG mic An emergency
microphone fault is
detected.
Check the emergency
microphone. If
necessary, replace it.
See section 5.1.1 and
section 6.2.9 .
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