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3M SCOTT SEMS II PRO - SENSOR MODULE LIGHT INDICATORS; UNDERSTANDING SENSOR MODULE LIGHT BEHAVIORS

3M SCOTT SEMS II PRO
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Page 17 of 28
P/N 595369-01 Rev B 07/19
When performing the REGULAR OPERATIONAL INSPECTION verify that
the Sensor Module lights are operating as described below:
OPERATION OF SENSOR MODULE LIGHTS
NOTE
THE YELLOW LIGHT IS A COMBINATION OF THE RED, GREEN, AND WHITE
LIGHTS THAT APPEARS YELLOW-ORANGE OR AMBER FROM A DISTANCE. AT
CLOSE RANGE THE INDIVIDUAL LIGHTS MAY BE VISIBLE.
ACTION OR SITUATION BEHAVIOR OF LIGHTS
Start Air-Pak SCBA (i.e., open cylinder valve) Bright light, then ashing green light
Normal operation Flashing green light
Air cylinder between 1/2 and 1/3 full Flashing yellow light (2 quick ashes) every second
Air cylinder less than 1/3 full (low air) Flashing yellow light (alternately)
Low battery while unit is on Flashing yellow light once every 2 seconds
Shut down Off
Press reset button on Control Console with unit off (battery test) Good battery: Bright light, then ashing green light
Low battery: Bright light, then ashing red light
Press manual alarm button on Control Console with unit off Flashing red light (simultaneously)
Press reset button on Control Console during full alarm Flashing green light
PASS pre-alarm Flashing red light (alternately)
PASS full alarm Flashing red light (simultaneously)

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