Low Battery Level - CAIRE HELiOS Marathon H850 Home Use Manual

Maintenance

Low Battery Level

A yellow light appears on the Reservoir contents indicator
when the battery needs to be replaced. This should happen
rarely. Your oxygen supply company may change your
battery at their next visit or if you choose to change the
battery, use a coin to open the battery door as shown
below (Figure 12). Use only a 9 volt alkaline battery as
pictured (Figure 13).
Figure 12: Battery door
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