Led Status Indicators; Normal Operation; Alarm Condition - Honeywell FS20X Series User Manual

FS20X Fire and Flame Detectors

LED Status Indicators

The detector status is indicated by three LEDs:
● Green
● blinking (flashing) once every ten seconds indicates a normal, safe operational condition (i�e�, no
faults or alarms)�
● off when no external input power is applied to the detector�
● Yellow
● blinking (flashing) when the window is dirty
● on steadily for all other fault conditions
● "Red flashes while FirePic is being stored"
● "Red turns on when a fire is alarmed"

Normal Operation

In normal operation the green LED, shown in Figure
1
options is selected (see "SW1 Configuration" on page
±0�6 mA� Only the current source mode has been certified to the EN54-10 standard�
Figure 27� Green LED location
1 Normal operation is defined as the detector with 24 VDC applied without alarm or fault conditions.
27, blinks every ten seconds� If one of the 4-20 mA
27), the current, sink, or source will be 4�0 mA
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FS20X Fire and Flame Detectors

Alarm Condition

When an alarm condition occurs, the red LED shown in
auxiliary relay is 5 seconds�
Figure 28� Red LED location
Alarm condition outputs
● Alarm Relay activation
● Auxiliary Relay activation
2
Only one active alarm output from this group:
● 4-20 mA (sink 16 mA) Alarm Output
● 4-20 mA (source 16 mA) Alarm Output
● 4-20 mA (sink 20 mA) Auxiliary Output
● 4-20 mA (source 20 mA) Auxiliary Output
Only one active alarm from this group:
● RS-485 FireBusII Alarm Notification
● RS-485 ModBus Alarm Notification
2 verified alarm output
Figure 28 will turn on� The factory setting for the
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