Maintaining the Defibrillator
Maintaining the Battery
8-4
Battery Capacity Check
Perform the battery capacity check at least once every six months. If the battery is
frequently depleted without adequate time for full charge cycles, perform the check
more often.
A new battery will provide a minimum of 2.5 hours of monitoring time. Hewlett-
Packard recommends that you replace the battery when it fails to provide a
minimum of 2.5 hours of monitoring time or 10 minutes of Low Battery warning
time when starting from a fully charged battery.
To test the battery capacity, perform the following steps. This test will require up to
3.5 hours to perform (not including battery charge times). Allow 30 hours to test the
battery and have it ready for use again.
1 Charge the battery by plugging the instrument into AC power for eight hours.
Verify that the and lights are on.
2 Verify that there is recorder paper in the recorder.
3 Depress while turning the Energy Select control from Off
(Standby) to Monitor On. While pressing , turn the Energy Select con-
trol from the Off position to the Monitor On position. The Setup/Diagnostic Ser-
vice menu will appear in a moment.
4 Press to highlight the Test Battery diagnostic test.
5 Unplug the instrument from AC power (the and
lights are off).
6 Press to start the Battery Capacity Test.
m The starting battery voltage, the current battery voltage, the Monitor elapsed
time, and the Low Battery warning elapsed time will be displayed.
m When the test is finished, the recorder will print the final values of the displayed
results just prior to turning off the instrument.
m Replace the battery if the recorded value for elapsed monitor time is less than 2.5
hours or the value for elapsed Low Battery warning time is less than 10 minutes.
7 Turn the Energy Select control to the Off (Standby) position.
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