Bosch Plena Voice Alarm System Installation And Operation Manual page 85

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