Chapter 2
Cylinder and Components
Edition 1 – December 2019 SAFETY FIRST 49
MSA G1 Electronic Breathing Apparatus
Alarms
The G1 E has different alarms designed to alert the operator and those around the
operator to potential threat to the BA operator or the BA set.
Figure 27
l
ists the alarms and the visual and audio alerts the BA set activates.
Alarm type HUD Control Module Buddy
lights
Sound
Motion pre-
alarm
Red
Attention
Flashing
Red Ascending whistle/
beep/quick chirp
and beep
Motion/
manual full
alarm
Red
Attention
Solid
Red Repeating long
chirp and beep (full
alarm)
Mechanical
low
pressure
alarm
Red
Pressure
Flashing
Red Mechanical whistle
Pressure
drop alarm
Blue
Attention
Flashing
Red Repeating chirp
(pressure drop
alarm)
Hardware
failure
Red
Attention
Flashing
Red Repeating long
chirp and beep (full
alarm)
Thermal
Alarm
Secondary
Blue
Attention
Flashing
Based
on
pressure
Beep every 10
seconds
LCD Temp
Alarm
Blue
Attention
Flashing
Based
on
pressure
None
Low battery Yellow
Battery
Flashing
Based
on
Pressure
Beep every 10
seconds
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