Chapter 2
Cylinder and Components
Edition 1 – December 2019 SAFETY FIRST 51
MSA G1 Electronic Breathing Apparatus
Alarm type Alarm level Activation Deactivation
Pre-alarms Level 1 Control module inactive for
approximately 17.5
seconds.
Move the control module
Level 2 Control module inactive for
approximately 20 seconds.
Move the control module
Level 3 Control module inactive for
approximately 25 seconds.
Move the control module
Full alarm Level 4 Control module inactive for
30 seconds.
Press RESET button
twice within one second
Figure 28: motion alarm activation thresholds
In the event of a flat battery or electronic failure, the control
module
motion sensor alarm and the manual alarm
will not
function.
Continued use can result in serious personal injury or death.
Should the battery run flat or the set experience complete electronic
failure the operator
must
exit immediately and either replace the
battery
or place the set out of commission.
Electronic low pressure warning alarm
The electronic low pressure warning alarm sounds when cylinder pressure falls
below
100 bar:
an electronic low pressure warning alarm sounds continuously from the piezo
speakers;
the HUD pressure lights change to one illuminated flashing yellow light;
all buddy lights begin to continuously flash yellow; and
the control
module screen backlight will be yellow (refer to Figure 27).
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