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LIFEPAK 500 automated external defibrillator Modes of Operation
5-14
Auto Battery Test Mode Page 2 of 3
WARNINGS!
Possible loss of power during patient care. Auto Battery Test messages
are valid for properly maintained batteries. Improper maintenance of
batteries may cause inaccurate Auto Battery Test results.
Shock hazard. With Auto Battery Test enabled, the AED automatically
charges the Energy Storage Capacitor upon power up after you install a
new battery, during Auto Test (every week for an SLA battery and every 2
weeks for a lithium battery), and every 20 minutes of cumulative on time.
Use the Service Mode to disable Auto Battery Test Mode before
disassembling the case.
The Auto Battery Test may not occur under some circumstances. For example, if
the Energy Storage Capacitor is already charged to a level above the maximum
battery test threshold (150 J), the Auto Battery Test will not occur. If this is the
case, the BATTERY OK message will not appear when the AED is turned on
and the battery indicator will not illuminate.