Secutron MR-2300 series, User Manual

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7
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 AC 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 AC 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 indicator. This indicator 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
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
COMMON
SUPV
COMMON
TROUBLE
REMOTE
TROUBLE
FIRE
DRILL