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What This Guide Helps With
This guide assists Clinical Engineering in troubleshooting an ICU Medical Plum 360 infusion pump that fails to power on or whose battery will not hold a charge. Symptoms may include:
- Blank display or no response when pressing the power button
- Intermittent power loss during operation
- Battery indicator not showing expected charge
Most battery issues in these pumps are due to depleted or faulty batteries, loose connections, or external power source problems. Internal board-level repair is not recommended; safe escalation to service is often necessary if basic checks fail.
Step-by-Step Troubleshooting
Check AC Power Connection
- Ensure the pump is plugged into a verified working outlet.
- Verify the power cord and plug are intact and securely connected.
- Why it matters: A faulty or unplugged AC connection can prevent battery charging.
Inspect Battery Seating
- Remove the battery and reinsert it, ensuring it clicks into place.
- Check for corrosion, dirt, or debris on the contacts and clean if necessary.
- Why it matters: Poor contact can prevent the battery from charging or powering the device.
Test with a Known Good Battery
- If available, swap the pump battery with a fully charged, known good battery.
- Observe whether the pump powers on or charges correctly.
- Why it matters: Confirms whether the battery itself is the issue.
Observe Battery Charging Behavior
- Plug in the pump with its battery installed.
- Check if the charging indicator lights up or shows expected charging behavior.
- Why it matters: If the battery does not charge at all, it may be dead or the pump’s charging circuit may be compromised.
Check for External Indicators or Error Messages
- Some Plum 360 pumps may display battery fault messages or indicators.
- Note any messages for documentation and further troubleshooting.
If the Problem Persists
Common external causes have been ruled out. The battery is likely defective or the internal charging circuitry may require service.
- Remove the pump from service.
- Label “Out of Service.”
- Send to manufacturer or qualified service for bench evaluation.
Knowing when to stop is proper troubleshooting and ensures patient safety.
Clinical Use Tip
- Never attempt to power the pump on during active infusion if the battery is failing.
- Move the patient to another functioning pump before troubleshooting.
- Always confirm the replacement pump is fully charged before use.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
Pump will not power on; battery does not hold charge.
Cause
What was observed during troubleshooting.
Example:
Battery failed to hold charge after testing and reseating; AC power verified functional.
Resolution
What action was taken.
Example:
Pump removed from service, labeled Out of Service, and sent for manufacturer evaluation.
Helpful Details to Include
- Outlet tested and verified
- Battery seating checked and cleaned
- Known good battery test performed
- Charging indicator behavior observed
- Final device status: Removed from service
Final Thought
Proper, stepwise troubleshooting ensures patient safety while identifying battery or power issues efficiently. Documenting actions with CCR provides clarity for future service and reduces risk. Knowing when to escalate to manufacturer service preserves the integrity of the device and avoids unnecessary repairs.
That is successful troubleshooting.