Chapter 1: Product and component descriptions
4 LaserSense 100 Aspirating Smoke Detector Installers Handbook
Indicators
Figure 1 below shows the three indicators on the detector.
Figure 1: Detector indicators
(1) Alarm: Illuminates when the alarm level has been reached and the appropriate time delays
have expired.
(2) Fault: Illuminates when the unit has a fault and a fault signal is being sent to the fire alarm
panel. It also illuminates when the unit is isolated.
(3) OK: Illuminates to show normal operation when there are no faults. The OK lamp will flash
during the 15-minute FastLearn period when the detector is first learning about its
environment.