Spectrex 40/40U-UB - UV Flame Detector - Manual (Page 23)

TM 40/40U, Rev (7) July 2013
Performance Considerations 11
1.5.4 Visual Indicators
One 3-color LED indicator is located inside the detector window, as shown in
Figure 3. The detector statuses are listed in Table 5.
Table 5: LED Indications
Detector Status LED color LED mode
Fault, BIT Fault Yellow 4 Hz - flashing
Normal Green 1 Hz - flashing
Warning Red 2 Hz - flashing
Alarm Red Steady
Figure 3: Indication LED
Indicator LED