Honeywell FS20X Series - LED Status Indicators; Normal Operation

34
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”New Bullet:
● “Red turns on when a fire is alarmed”
Normal Operation
In normal operation
1
the green LED, shown in Figure 27, blinks every ten seconds. If
one of the 4-20 mA options is selected (see “SW1 Configuration” on page 31), the
current, sink, or source will be 4.0 mA ±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 dened as the detector with 24 VDC applied without alarm or fault conditions.