84 en | Operation Plena Voice Alarm System
9922 141 1037x (V2.16) | V0.6 | 2011.09 Installation and Operation manual Bosch Security Systems B.V.
7.5.3 Fault indicators
The voice alarm controller, voice alarm router and remote controls have two types of fault
indicators: system fault indicators (see Figure 7.21) and loudspeaker line fault indicators (see
Figure 7.22). The system fault indicators provide information about failing system functions
that are supervised (see Table 7.2). If a system fault is persistent, contact your Bosch
representative.
Figure 7.21 System fault indicators
The loudspeaker line indicators provide information about failing loudspeaker lines. They
indicate short-circuit and impedance supervision faults (see section 6.2.10 ). 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 Bosch representative.
Figure 7.22 Loudspeaker line indicators
If supervision is disabled (see section 6.2 ), the fault indicators do not function and the
Disabled indicator is lit (see Figure 7.23).
Figure 7.23 Disabled indicator
The availability of the indicators can be tested with the Indicator test button (see Figure 7.24).
Figure 7.24 Indicator test button
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