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What This Guide Helps With
This guide helps troubleshoot the high-priority Rechargeable battery end of life alarm on the ICU Medical CADD-Solis infusion pump. This alarm indicates the rechargeable lithium-ion battery pack has reached the end of its expected service life or can no longer be relied on for normal pump operation.
The rechargeable battery pack is rated for a minimum of 500 charge/discharge cycles. Once this alarm appears, the battery pack should not be trusted for continued clinical use until the issue is corrected.
Step-by-Step Troubleshooting
Ensure Patient Safety First
- Do not troubleshoot the pump on an active patient if therapy could be interrupted.
- Notify clinical staff and move the patient to a backup pump if the infusion must continue.
- If the pump is in use, follow facility policy for pump exchange and medication handoff.
- Confirm the infusion is safely supported before removing the pump from service.
Verify the Reported Alarm
- Confirm the pump displays the alarm text: Rechargeable battery end of life.
- Ask staff when the alarm appeared, such as during startup, charging, battery operation, or pump setup.
- Confirm whether the pump was running from battery power or connected to external power when the alarm occurred.
- Check whether the alarm returns after normal power cycling according to facility procedure.
Check External Power and Charging Setup
- Connect the pump to the approved AC power source or charging setup.
- Verify the power supply, cord, outlet, and charging contacts are secure and undamaged.
- Inspect for loose connections, bent contacts, damaged cords, or signs of fluid intrusion.
- If the pump does not appear to charge normally, remove it from use for further evaluation.
Inspect the Rechargeable Battery Pack
- Remove the battery pack only when the pump is not being used for patient therapy.
- Inspect the rechargeable battery pack for swelling, cracking, leakage, corrosion, broken plastic, damaged contacts, or other visible wear.
- Do not reuse a battery pack that shows physical damage or abnormal condition.
- Discontinue use of the battery pack if any damage is found.
Replace the Rechargeable Battery Pack
- Replace the rechargeable battery pack with the correct approved replacement battery pack for the CADD-Solis pump.
- Confirm the replacement battery is properly installed and seated.
- Reconnect the pump to approved external power and allow the replacement battery to charge as required by facility procedure.
- Verify the high-priority alarm clears after replacement.
Verify Pump Operation After Battery Replacement
- Power the pump on and confirm normal startup behavior.
- Check that the battery status appears normal.
- Confirm the Rechargeable battery end of life alarm does not return.
- Perform any required operational check before returning the pump to service.
If the Problem Persists
If the alarm continues after the rechargeable battery pack has been replaced and external power, charging setup, battery condition, and installation have been checked, external causes have been ruled out.
Remove the infusion pump from service, label it Out of Service, and send it for repair or bench evaluation. Do not return the pump to clinical use until the battery alarm and charging/battery operation have been verified as corrected.
Clinical Use Tip
Never troubleshoot this alarm on an active patient if it could interrupt therapy. Move the patient to a backup pump first, then troubleshoot the CADD-Solis pump after it is safely removed from patient use.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Staff reported ICU Medical CADD-Solis pump displayed high-priority Rechargeable battery end of life alarm."
Cause
What was observed during troubleshooting.
Example:
"Confirmed rechargeable battery end of life alarm. Rechargeable lithium-ion battery pack reached end-of-life condition and required replacement. Battery pack inspected for damage and wear."
Resolution
What action was taken.
Example:
"Removed pump from use, replaced rechargeable battery pack, verified pump powered on normally, confirmed alarm cleared, and returned pump to service after operational check."
Helpful Details to Include (If Known)
- Alarm behavior
- Accessories swapped
- Power behavior
- Environmental factors
- Indicator lights
- Final device status
Final Thought
A rechargeable battery end-of-life alarm should be treated as a battery reliability issue, not just a nuisance alarm. Protect the patient first, confirm the alarm, inspect the battery pack, replace it with the correct approved battery, verify the alarm clears, and document the work clearly using CCR.
That is successful troubleshooting.