There was no patient involvement.Livanova (b)(4) manufactures the heater-cooler system 3t.The incident occurred in (b)(6).Field service technician dispatched to the facility did not confirmed the issue.During troubleshooting he found that the temperature on patient side was unstable due to a defective temperature probe and the associated error code was displayed.To solve the issue the part was replaced.Subsequent functional verification testing was completed without further issues and the unit was returned to service.It cannot be ruled out that a defective temperature probe resulted in circuit shutdown as protection function against device component fault.
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