The complaint device was returned for evaluation.Incoming visual inspection found no anomalies.Technical visual inspection found no anomalies.Device evaluation identified that the pump assembly had a malfunction confirming the reported issue.The motor was replaced and the pump assembly was refurbished with no new parts.The software was set to p.01.30.The device was calibrated.The front and rear connectors were inspected.All pcb boards were checked.The firmware revision, flow rate, gas calibration, leak check, mounting integrity, power on test, and final vision inspection tests were performed and passed as well.The root cause for the reported event was determined to be the aging motor of pump assembly causing the co2 occlusion.This type of event will continue to be monitored.
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