Chapter 1: System operation
Vigilant VS1 and VS2 Technical Reference Manual
9
System LEDs
LEDs indicate system events and system operation.
LED Description
Fire Alarm
Red LED. Flashes when there is an active alarm
event on any loop. On steady once
acknowledged.
Trouble
Yellow LED. Flashes when there's a fault with a
monitored circuit or system component or
when a circuit is disabled. On steady once
acknowledged.
Sup
Yellow LED. Flashes when there is an active
supervisory event on any loop. On steady once
acknowledged.
AC Power
Green LED. On when the panel has AC power.
Disable
Yellow LED. Double-flashes when there is a
disabled circuit or alarm relay.
Ground Fault
Yellow LED. On steady during an active ground
fault.
Test
Yellow LED. Flashes when performing an
audible walk test. Steady indicates a silent test.
Monitor
Yellow LED. Flashes when there is an active
monitor event on any loop. On steady once
acknowledged.
Service Detector
Yellow LED. Indicates that detector needs
servicing.
Signal Silence
Yellow LED. On steady indicates that NAC
circuits are turned off but the panel is still in
alarm.
Remote Disconnect
Yellow LED. On steady indicates that the CMS
devices (dialer and network card) are disabled
or that the alarm relay is enabled or disabled
when the dialer is set to modem only.
Drill Yellow
LED.
Indicates
that the panel is in drill.
Reset
Yellow LED. Indicates that the panel is going
through a reset.
Panel Silence
Yellow LED. Indicates that the panel has been
silenced during an active trouble, supervisory,
monitor, or alarm event and indicates that new
event activations have been acknowledged.
User keys
Yellow LED. Indicates the programmed key
function is active.
