Vigilant BOWS Installation & Operation Manual
Document: LT0554
Page
6 September 2012
Issue 1.20
5-2
This indicates a fault on the power supply or the battery. Check:
The configuration of the power supply‟s DIP switch is correct
(normally set to: 1-Off, 2-Off, 3-On, 4-Off, 5-On, 6-Off, 7-On, 8-Off)
Fault LED on the power supply. When a fault is present, this will
flash seven or eight times then pause, repeatedly. Each flash will
be short if a particular fault is not present, or long if the fault is
present, indicating the following in order - Charger High, Charger
Low, Battery Low, Battery Test Fail, Battery Disconnected, Battery
Low Capacity, Mains Failed, Earth Fault. A temperature sensor
open or short circuit is indicated by Charger High and Charger
Low indications at the same time.
Note that the audio sources are disabled when the Evacuation Control
switch is in the ISOLATE position.
The background music, remote audio and paging inputs on the BOWS
Interface board have individual volume controls. Check that the volume
control is set correctly (turn clockwise to increase the volume).
For the Remote Audio port check that the external audio source is pulling
the Active signal above 2V on the BOWS Interface Board to enable the
input.
For the Paging port check that the wiring to the paging console is correct
and the volume is correctly adjusted on the paging console. Note that at
least one zone must be selected on the console to make a paging
announcement.
POWER
SUPPLY
FAULT On
No or Low
Audio Level
