Operation – Spectrex 20/20SI Triple IR (IR3) Flame Detector User Manual
Page 17
Spectrex Inc. - SharpEye
TM
IR3 Flame Detector Manual – TM 20/20I, Rev. (6) August 2004
9
4. Operation
4.1 Visual Indications
Two LED-indications are located in the detector front window:
i. Power LED (Yellow)
Normal
- LED ON
BIT failure - LED blinks (4 Hz)
ii. Alarm
LED
(Red)
Normal
- LED OFF
Warning
- LED blinks (2 Hz)
ALARM
- LED ON
Figure 4: Indication LEDs