SFP-400B 15124:G1 06/24/97
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2.0 System Operation
2.1
System Status LEDs
Alarm, Trouble and Supervisory LEDs will flash on and off until the event(s) has been acknowledged
(TONE or ALARM SILENCE), at which point the LED will illuminate steadily.
AC POWER
Green LED that illuminates steadily to indi-
cate presence of AC power.
SYSTEM ALARM
Red LED that flashes when an alarm occurs.
ALARM TEST
Red LED that illuminates during Walk Test.
SUPERVISORY
Yellow LED that flashes upon activation of a
supervisory device (such as tamper switch)
on Zone 4.
SYSTEM TROUBLE
Yellow LED that flashes for any trouble condi-
tion, including those associated with option
boards.
CIRCUIT TROUBLE
Yellow LED that flashes for trouble conditions
on output circuits (notification).
ALARM SILENCED
Yellow LED that illuminates steadily when the
ALARM SILENCE switch has been pushed
after an alarm.
POWER TROUBLE
Yellow LED that flashes for low or discon-
nected batteries and earth fault conditions.
BATT
Yellow LED that illuminates steadily on
motherboard when battery is low or not de-
tected (not visible through door).
EARTH
Yellow LED that illuminates steadily on
motherboard during a ground fault condition
(not visible through door).
MICRO FAIL
Yellow LED that illuminates on motherboard
when watchdog timer detects microprocessor
failure (not visible through door).
