Bosch Plena - 7 Fault Handling; Introduction; Fault Indicators; Line Fault Indicators

Bosch Security Systems | 2004-06 | 9922 141 10371en
Plena Voice Alarm System | Installation and User Instructions | Fault Handling en | 59
7 Fault Handling
7.1 Introduction
In accordance with IEC60849, the international
evacuation and emergency standard, a number of
functions of a Plena voice alarm system, are supervised.
If supervision is enabled (see section 5.3.3) and a
supervised function fails, the voice alarm controller
enters the fault state. When entering the fault state, the
following events are simultaneously initiated:
• The controller’s integrated beeper starts.
• The fault contact is activated (see also section 4.12.2).
• A LED on the front of the controller, indicating the
fault, is turned ON.
To troubleshoot a fault, see section 7.3.
7.2 Fault indicators
Two categories of faults are indicated:
• Line faults (see section 7.2.1).
• System faults (see section 7.2.2).
7.2.1 Line fault indicators
The line fault indicators provide information about
failing loudspeaker lines. A controller and a router, each
have their own line fault indicators. Each loudspeaker
line is supervised on short-circuits, line impedance and
short-to-grounds (see section 5.3.3.5). If a line fault
indicator is turned ON, 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.
7.2.2 System fault indicators
The system fault indicators provide information about
failing system functions that are supervised (see table
7.1). A controller and a router, each have their own
system fault indicators. However, some system faults are
not applicable to a router, and therefore do not have an
associated fault indicator on the router. If a system fault
indicator is turned ON, consult table 7.1 for a suitable
remedy. If a system fault is persistent, contact your
dealer.
7.2.3 Supervision disabled
If supervision is disabled (see section 4.5), the fault
indicators do not function and the Disabled indicator is
turned ON (see figure 7.3).
7.2.4 Indicator test
Press the Indicator test button to test the availability of all
indicator LEDs.
figure 7.1: Line fault indicators
Processor reset
Network
Call/EMG
Music/Spare
Ground short
Input
Mains
Battery
Fault Indicators
Disabled
Message
EMG mic
RCP
Router
0dB
-6dB
-20dB
Zone1
Zone2
Zone3
Zone4
Zone5
Zone6
A
B
figure 7.2: System fault indicators
figure 7.3: Disabled indicator
figure 7.4: Indicator test button
Zone1
Zone2
Zone3
Zone4
Zone5
Zone6
A
B
Disabled
0dB
-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
Zone1
Zone2
Zone3
Zone4
Zone5
Zone6
Fault Indicators
A
B
Disabled
Message
EMG mic
RCP
Router
0dB
-6dB
-20dB
-
+
-
+
Indicator test
EMG mic
Alert message
Alarm message
All call