Bosch Security Systems | 2005-04 | 9922 141 10364en
Plena Voice Alarm System
| Basic System Manual | Operation
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5.7.4
Fault indicators
The voice alarm controller has two types of fault
indicators: system fault indicators (see figure 5.22) and
loudspeaker line fault indicators (see figure 5.23). They
provide information about failing system functions that
are supervised (see table 5.2). If a system fault is
persistent, contact your dealer.
The loudspeaker line indicators provide information
about failing loudspeaker lines. They indicate short-
circuit (see section 4.5.5.2) and impedance supervision
(see section 4.5.5.3) faults. If a loudspeaker line indicator
lights, check the wiring of the indicated loudspeaker line
and try to solve the fault. If it not possible to determine
the fault, contact your dealer.
If supervision is disabled (see section 4.5), the fault
indicators do not function and the
Disabled
indicator is
lit (see figure 5.24).
The availability of the indicators can be tested with the
Indicator test
button (see figure 2.3, no. 11).
figure 5.22: System fault indicators
figure 5.23: Loudspeaker line indicators
figure 5.24: Disabled indicator
Zone1
Zone2
Zone3
Zone4
Zone5
Zone6
A
B
Disabled
0 dB
-6dB
-20dB
Processor reset
Network
Call/EMG
Music/Spare
Ground short
Input
Mains
Battery
Fault Indicators
Message
EMG mic
RCP
Router
Processor reset
Network
Call/EMG
Music/Spare
Ground short
Input
Mains
Battery
Fault Indicators
Disabled
Message
EMG mic
RCP
Router
0 dB
-6dB
-20dB
Zone1
Zone2
Zone3
Zone4
Zone5
Zone6
A
B
Processor reset
Network
Call/EMG
Music/Spare
Ground short
Input
Mains
Battery
Zone1
Zone2
Zone3
Zone4
Zone5
Zone6
Fault Indicators
A
B
Disabled
Message
EMG mic
RCP
Router
0 dB
-6dB
-20dB
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