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LIFEPAK 500 automated external defibrillator Replacement Procedures
11-27
Replacing Time-of-Day Clock Battery Page 1 of 2
Preparation Before replacing the Time-of-Day Clock Battery, you must first follow these
procedures:
■ Removing Top Cover
WARNING!
Shock hazard. The Energy Storage Capacitor carries high voltage.
Remove the battery and discharge the capacitor before handling.
■ Discharging Energy Storage Capacitor
■ Setting Aside Main PCB
To replace the Time-of-Day Clock Battery:
1. Slide out the clock battery and set it aside. Gently press down on the retainer
clip to ensure a snug fit for the new clock battery.
2. Slide a new clock battery in place. Observe the battery polarity markers.
WARNING!
Shock hazard. Dangerous voltages will remain on the capacitor for up to
several hours after charging, even in normal operation, and therefore the
device should always be DISCHARGED manually before uncovering the
high voltage section.
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