System Faults - Bosch Plena Installation And User Instruction Manual

Plena Voice Alarm System | Installation and User Instructions | Fault Handling
7.4

System faults

table 7. 1 : System fault indicators
Indicator Description
Processor reset A processor reset is
detected.
Network A network fault is detected.
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.
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.
Ground short A short-to-ground fault in the
loudspeaker line cabling is
detected.
Input An input contact fault is
detected.
Mains A mains power failure is
detected.
Battery A back-up power failure is
detected.
Message A message fault is detected.
EMG mic A emergency microphone
fault is detected.
Bosch Security Systems | 2004-06 | 9922 141 10371en
Recommended action
Switch the voice alarm
controller off and on again.
Contact your dealer.
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.
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.
Check all loudspeaker lines
for short-to-ground situations.
Contact your dealer.
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.
en | 61
Additional information
See section 5.3.3.2.
This fault should not occur,
since this type of supervision
is disabled (see section
5.3.3.3)
See section 5.3.4 and
section 4. 1 5.3.
See section 5.3.4 and
section 4. 1 5.3.
See section 4.8 and section
5.3.3.5
This fault should not occur,
since this type of supervision
is disabled (see section
5.3.3.7).
See section 4. 1 5. 1 and
section 5.3.3.8.
See section 4. 1 5.2 and
section 5.3.3.9.
See section 5.3.3.4.
See section 4. 1 3 and section
5.3.3.6.