Spectrex 20/20SH - Hydrogen Flame Detector - Manual (Page 16)

Spectrex Inc. - SharpEye TM Hydrogen (SH) Flame Detector Manual – TM 784600, Rev. A, May 2005
8
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 flashes (4 Hz)
ii. Alarm LED (Red)
Normal - LED OFF
Warning - LED flashes (2 Hz)
ALARM - LED ON
Figure 4: Indication LEDs