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Asset Type
Manufacturer
Model
What This Guide Helps With
Blanket not recognized, no circulation, or system not initiating therapy due to hose connection issues, setup problems, or accessory-related faults.
Step-by-Step Troubleshooting
Ensure Patient Safety
- Remove the device from active patient use and transition to an alternate warming method.
- Expected: No patient connected during troubleshooting.
Verify Reported Issue
- Confirm the unit displays a connection error or is not circulating water despite being powered on.
- Expected: Unit powered but not recognizing blanket.
Inspect Hose Connections at Unit
- Ensure both supply and return hoses are fully inserted and locked into the unit ports.
- Expected: Firm connection with no looseness or partial engagement.
- If loose → reconnect securely and retest.
Check Hose Connections at Blanket / Pad
- Verify hoses are properly connected to the blanket or pad and not reversed if applicable.
- Why it matters: Incomplete or incorrect connections can prevent detection or circulation.
- If corrected and unit starts → issue resolved.
Inspect for Kinks or Obstructions
- Trace the entire hose and blanket tubing for kinks, compression, or blockage.
- Expected: Free-flowing tubing with no restrictions.
- If obstruction found → correct and retest.
Check for Air in the System
- Look for air bubbles or lack of fluid movement in the tubing.
- Why it matters: Air can prevent proper circulation and mimic connection issues.
- If present → follow normal priming procedure and retest.
Inspect Blanket / Pad Condition
- Check for leaks, internal blockage, or damage to the blanket tubing.
- Expected: No visible damage, leaks, or fluid loss.
- If damaged → replace blanket and retest.
Verify Correct Blanket Type
- Confirm the blanket/pad is compatible with the Blanketrol system.
- Why it matters: Incompatible accessories may not allow proper flow or detection.
- If incorrect → replace with approved blanket.
Check Fluid Level in Reservoir (if applicable)
- Ensure the unit has adequate water/fluid level.
- Expected: Fluid within proper operating range.
- If low → refill per guidelines and retest.
Power Cycle the Unit
- Turn the unit off, wait 10–15 seconds, then power back on.
- Why it matters: Clears temporary detection or control faults.
- If connection is recognized after restart → issue resolved.
If the Problem Persists
All common external causes have been ruled out. The issue is likely related to internal flow sensors, connection ports, or control circuitry.
Remove the device from service, label it Out of Service, and send for repair or bench evaluation.
Knowing when to stop prevents unnecessary risk and saves time.
Clinical Use Tip
Never troubleshoot while the device is connected to a patient. Always transition to an alternate warming method before evaluating the system.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Blanket not detected; unit not circulating water during use."
Cause
What was observed during troubleshooting.
Example:
"Hose connection partially disengaged at unit preventing proper flow detection."
Resolution
What action was taken.
Example:
"Reconnected hoses securely and verified normal operation."
Helpful Details to Include (If Known)
- Hose connections checked and reseated
- Tubing inspected for kinks or blockage
- Fluid level verified
- Blanket swapped
- Alarm or message displayed
- Circulation observed or not observed
- Final device status
Final Thought
Start with simple, visible issues like connections and flow before assuming internal failure. Patient safety comes first, and clear documentation ensures effective follow-up and accountability.
That is successful troubleshooting.