On this page
Asset Type
Continuous Renal Replacement Therapy (CRRT)
Manufacturer
Model
What This Guide Helps With
Helps troubleshoot TherMax blood warmer issues involving connections, temperature conditions, or communication.
Step-by-Step Troubleshooting
1. Confirm patient safety
Verify appropriate patient warming support and treatment continuity before troubleshooting. Expected outcome: Patient safety is maintained.
2. Confirm the reported condition
Identify whether the issue involves communication, temperature indication, or warmer operation. Expected outcome: Alarm condition is confirmed.
3. Inspect external connections
Check the blood warmer connection and visible cables for secure attachment and damage. Expected outcome: Connections are secure.
4. Verify external setup and positioning
Confirm warmer components are positioned correctly and free from external interference. Expected outcome: Setup is appropriate.
5. Compare with known-good accessories when available
Use approved compatible accessories to determine whether the issue follows an external component. Expected outcome: External accessory causes are identified or ruled out.
6. Perform final functional verification
Verify communication and temperature operation after correction. Expected outcome: Warmer function is restored and troubleshooting can stop.
If the Problem Persists
External connections and setup issues have been ruled out. The device should be:
- Removed from service if safe operation cannot be maintained
- Labeled Out of Service
- Sent for repair or bench evaluation
- Evaluated using appropriate manufacturer documentation and approved test equipment
- Repaired only by qualified personnel
Clinical Use Tip
Provide alternate warming support if required before removing equipment from service.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Clinical staff reported a TherMax communication issue during PrisMax CRRT treatment."
Cause
What was observed during troubleshooting.
Example:
"Clinical Engineering found the external communication connection was not fully seated."
Resolution
What action was taken.
Example:
"Clinical Engineering secured the connection, verified warmer communication, and returned the system to service."
Helpful Details to Include (If Known)
- Alarm message
- Connection condition
- Cable inspection
- Temperature observations
- Accessory used
- Final verification
Final Thought
Safe troubleshooting requires protecting patient therapy, checking external causes first, and escalating when internal evaluation is necessary. Proper documentation supports reliable clinical equipment service. That is successful troubleshooting.