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Asset Type
Continuous Renal Replacement Therapy (CRRT)
Manufacturer
Model
What This Guide Helps With
This guide assists Clinical Engineering in troubleshooting situations where the Vantive PrisMax CRRT system fails to recognize a cartridge. Symptoms may include alarms stating “cartridge not recognized,” the inability to start therapy, or error messages related to the disposable set. Most issues are related to external factors such as improper installation, sensor contact issues, or incorrect cartridge type before considering internal failure.
Step-by-Step Troubleshooting
Verify Cartridge Type
- Confirm that the cartridge is compatible with the PrisMax system.
- Using the wrong cartridge may prevent recognition.
Check Cartridge Orientation
- Remove the cartridge and reinstall according to the labeling.
- Misalignment can prevent sensors from detecting the cartridge properly.
Inspect Cartridge Sensor Area
- Ensure the barcode and sensor contacts are clean, free of debris, or condensation.
- Wipe gently with a lint-free cloth if needed.
Check Machine Prompts
- Ensure the machine is prompting for the correct cartridge slot.
- Some alarms occur if the system expects the cartridge in a different slot.
Verify Disposable Set Installation
- Confirm all tubing and lines are correctly seated and clamped.
- Loose connections can sometimes prevent cartridge detection.
Power Cycle the Device
- Turn off the PrisMax, wait 30 seconds, and turn back on.
- This can reset sensor communication errors.
Check for Software Updates / Error Codes
- Review the event log for any system-specific messages.
- Record error codes for documentation.
If the Problem Persists
Common external causes have been ruled out. The cartridge recognition error may indicate a sensor or board issue in the machine.
- Remove the device from service.
- Label Out of Service.
- Send to biomedical engineering or Vantive for bench evaluation.
Clinical Engineering should avoid further troubleshooting on internal boards.
Clinical Use Tip
- Never attempt therapy with an unrecognized cartridge; it can compromise patient safety.
- Move the patient to another functional CRRT system before continued treatment.
- Always confirm cartridge compatibility before installation.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
“Cartridge not recognized” when attempting to start therapy.
Cause
What was observed during troubleshooting.
Example:
Cartridge misaligned and sensor contacts dirty, preventing detection.
Resolution
What action was taken.
Example:
Reinstalled cartridge correctly, cleaned sensor contacts, device recognized cartridge. If unresolved, device labeled Out of Service and sent for repair.
Helpful Details to Include
- Verify outlet power and system battery status.
- Check all tubing and clamps are properly seated.
- Record any unusual alarms, beeps, or display messages.
- Document cartridge lot numbers for traceability.
- Final device status after troubleshooting (ready for use or Out of Service).
Final Thought
Proper troubleshooting relies on systematically checking external factors first, ensuring patient safety, and knowing when to escalate. Thorough CCR documentation ensures continuity of care and device accountability.
That is successful troubleshooting.