Bosch Plena - Page 99

Indicator Description Recommended action Additional information
Processor
reset
A processor reset is
detected.
Switch the voice alarm
controller off and on
again.
See section Processor
reset, page 79.
Network A network fault is
detected.
Check all network
connections and the
network configuration.
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.
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 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.
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 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.
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
Loudspeakers, page 54
and section Line
supervision, page 80.
Input fault in the connection
to an emergency trigger
input is detected.
Check the connections
to all supervised
emergency trigger
inputs.
See section Voice Alarm
Controller, page 106 and
section Emergency
trigger inputs, page 80.
Mains A mains power failure is
detected.
Check the mains power
connection of the voice
alarm controller and the
mains power availability.
See section Power, page
62 and section Mains
power, page 80.
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 Power, page
62 and section Battery,
page 80.
Plena Operation | en 99
Bosch Security Systems B.V. Installation and Operation manual 2013.07 | V2.0 |