be operating normally and will control the indicator lights depending
on oxygen concentration values.
6.3.6
Explanation of Oxygen Purity Indicator Lights
Light
Symbol
Explanation
A
GREEN light
(O
2
)
Normal Operation
B
YELLOW light
Immediately call supplier.
You may continue to use
the concentrator unless
instructed otherwise by your
supplier. Be certain that
backup oxygen is nearby.
C
RED light
Total unit shutdown.
Immediately switch to
backup oxygen supply and
call supplier.
AB
GREEN
light with
YELLOW light
flashing
(O
2
) and
Immediately call supplier.
Oxygen sensor is
malfunctioning; you may
continue to use the
concentrator.
D
—
Call Supplier
6.3.7
Elapsed Time Meter (Hour Meter)
The hour meter displays the cumulative number of hours the unit has
operated. Refer to Component Identification for specific location.
1163147-H~06
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