Bosch Plena - System Faults

Bosch Security Systems | 2004-06 | 9922 141 10371en
Plena Voice Alarm System | Installation and User Instructions | Fault Handling en | 61
7.4 System faults
table 7.1: System fault indicators
Indicator Description Recommended action Additional information
Processor reset A processor reset is
detected.
Switch the voice alarm
controller off and on again.
See section 5.3.3.2.
Network A network fault is detected. Contact your dealer. This fault should not occur,
since this type of supervision
is disabled (see section
5.3.3.3)
Call/EMG In 1-channel mode:
The internal booster (i.e. the
call booster) of the voice
alarm controller failed.
In 2-channel mode:
The external booster (i.e. the
call booster) failed.
In 1-channel mode:
Switch the voice alarm
controller off and on again.
In 2-channel mode:
Switch the external booster
off and on again.
See section 5.3.4 and
section 4.15.3.
Music/Spare In 1-channel mode:
The external booster (i.e. the
spare booster) failed.
In 2-channel mode:
The internal booster (i.e. the
BGM booster) failed.
In 1-channel mode:
Switch the external booster
off and on again.
In 2- channel mode:
Switch the voice alarm
controller off and on again.
See section 5.3.4 and
section 4.15.3.
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 4.8 and section
5.3.3.5
Input An input contact fault is
detected.
Contact your dealer. This fault should not occur,
since this type of supervision
is disabled (see section
5.3.3.7).
Mains A mains power failure is
detected.
Check the mains power
connection of the voice alarm
controller and the mains
power availability.
See section 4.15.1 and
section 5.3.3.8.
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 4.15.2 and
section 5.3.3.9.
Message A message fault is detected. Switch the voice alarm
controller off and on again.
See section 5.3.3.4.
EMG mic A emergency microphone
fault is detected.
Check the emergency
microphone. If necessary,
replace it.
See section 4.13 and section
5.3.3.6.