LIFEPAK 35

1. Make sure the patient is safe — swap in a backup unit if you need to.
2. Reproduce the complaint yourself and write down exactly what you see (screen, alarm, code).
3. Check power, battery, cables, accessories, and settings before ordering parts.
4. Then open the service manual above and follow its troubleshooting section.

No power source ↗

• Use a charged LIFEPAK FLEX battery or AC
• Inspect/clean battery pins; service if bent/loose
• Check power cord and adapter

POWER LED on, screen blank, unresponsive source ↗

• Hold POWER ~5 s until LED off, restart
• If it won't turn off, remove both batteries and AC, then restart

Battery messages source ↗

• CANNOT CHARGE BATTERY: swap battery/cord; else service
• BATTERY X: REMOVE BATTERY FROM SERVICE: end of life, replace
• BATTERY X: INVALID BATTERY: replace; use only LIFEPAK FLEX
• Fuel gauge dark: charge battery (new or deeply depleted)

Turns off unexpectedly source ↗

• Low battery/high draw: connect AC, restart
• Move RF equipment away

TOUCH SCREEN DISABLED – USE SPEED DIAL source ↗

• Use speed dial; power-cycle; service if persists

OVERHEATING – ALLOW DEVICE TO COOL DOWN source ↗

• Remove from sun/coverings, cool; service if persists

Printer messages source ↗

• OUT OF PAPER: new roll
• DOOR OPEN: latch door
• ERROR DETECTED: clear jam/misfeed

Service LED source ↗

• Power-cycle (creates new record); if not cleared remove from use and report

Won't charge or deliver shock source ↗

• Isolate controls: try paddles vs. pads vs. front-panel buttons
• Check pad/paddle contact and cables (impedance disarm)
• Check battery / run on AC; slow charge often = battery
• Read stored failure codes in service mode before replacing therapy module