Bosch Plena Operating Manual page 99

Plena
Indicator
Processor
reset
Network
Call/EMG
Music/Spare
Ground short
Input
Mains
Battery
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.
A short-to-ground fault
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.
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.
Operation | en 99
Additional information
See section Processor
reset, page 79.
See section Call station,
page 50 and section
Voice alarm router, page
82, section Voice alarm
routers, page 51 and
section Call station, page
83.
See section External
power amplifier, page 52,
section External power
amplifiers, page 67 and
section 1-Channel mode
operation, page 77 and
section 2-Channel mode
operation, page 78.
See section External
power amplifier, page 52,
section External power
amplifiers, page 67 and
section 1-Channel mode
operation, page 77 and
section 2-Channel mode
operation, page 78.
See section
Loudspeakers, page 54
and section Line
supervision, page 80.
See section Voice Alarm
Controller, page 106 and
section Emergency
trigger inputs, page 80.
See section Power, page
62 and section Mains
power, page 80.
See section Power, page
62 and section Battery,
page 80.
2013.07 | V2.0 |