Chapter 3: System operation
136 Vigilant VS1 and VS2 Technical Reference Manual
System LEDs
LEDs indicate system events and system operation.
Table 35: System LEDs
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 that the programmed key function is active.
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