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3.0 The Buzzer and LED Indicators
3.1 Common LED Indicators
3.1.1 Buzzer
The buzzer sounds if there is a fire alarm, a supervisory alarm, or a trouble in the fire alarm
system. It turns off if the condition causing the buzzer to sound goes away or if the ALM/SUP/
TBL/BLDG AUDIBLE SIL (buzzer silence) button is pressed.
3.1.2 A.C. ON LED
3.1.3 COMMON ALARM LED
3.1.4 COMMON SUPERVISORY LED
3.1.5 COMMON TROUBLE LED
3.1.6 REMOTE TROUBLE LED
3.1.7 FIRE DRILL LED
The green A.C. ON LED illuminates steadily as long as the main power is above minimum
level. The indicator turns off when the level falls below the minimum level and the panel
switches to standby (battery) power.
The red COMMON ALARM LED will illuminate steadily whenever there is a fire alarm. If the
panel is set for two stage operation, pressing the red GENERAL ALARM button will also turn
on the COMMON ALARM LED. This LED will remain on until the system is reset.
The amber COMMON SUPERVISORY LED illuminates at the fast flash rate when there is a
supervisory alarm in the fire alarm system. For non-latching supervisory alarms, the
COMMON SUPERVISORY LED will turn off when the condition causing the alarm goes
away. For latching supervisory alarms, this LED remains on until the panel is reset.
The amber COMMON TROUBLE LED flashes at the trouble flash rate when the panel
detects any trouble condition. For non-latching trouble conditions, the COMMON TROUBLE
LED will turns off when the condition causing the alarm goes away. For latching trouble
conditions, this LED remains on until the panel is reset.
The amber REMOTE TROUBLE LED flashes at the trouble flash rate if the panel detects a
trouble at the City Tie or UDACT module, communication trouble with a remote annunciator,
or a local trouble at a remote annunciator.
The amber FIRE DRILL LED illuminates steadily after you press the FIRE DRILL button.
This LED remains on until you press the FIRE DRILL button again.
A.C.
ON
COMMON
ALARM
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