Qn#(b)(4).The sample was returned for evaluation.A visual exam was performed and there were no major defects observed.Functional testing was performed and the unit was connected to 120vac.The unit passed the initial power connect test and navigated through the power-on self-test (p.O.S.T.) with no issues.During the temperature display accuracy test the unit displayed the correct temperatures and properly alarmed in the high temperature scenario.The unit was able to power on and off with no issues.The unit was the prepared for the functional bench test where a water reservoir bottle, an adult breathing circuit (880-36kit), a 382-10 conchasmart column, airflow, and dual temperature probes were connected to the unit.The unit successfully navigated all pre-operational self-tests again and was functioning in real time.The settings were set to full rainout, invasive, at 37 degrees c.The unit functioned without any interruption for approximately 1 hour.The unit heated up to the set temperature of 37 degrees c with no issues and there were obvious signs of humidity in the form of water droplets present within the breathing circuit.Based on the investigation performed, the reported complaint could not be confirmed.Functional testing did not reveal any operational anomalies.
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