Evaluation results: one level 1 trauma fast flow system (hl-390) was returned for investigation in good condition.Visual inspection revealed that the enclosure was dirty and scuffed.The water tank cover was leaking water, and a constant low water alarm was observed when the device was powered on. the line cord was also worn, and the main block was leaking water.The investigator subsequently filled the tank with water and plugged in the line cord, and turned on the power switch.The customer reported product problem (constant low water alarm) was confirmed during testing.The product problem was attributed to a bad float switch.The following components were replaced: enclosure, front cover and water tank cover.The investigator also installed a newer gasket on the water tank cover and replaced the drain fitting and line cord.The main block was replaced as well.Preventative maintenance was then performed.The device subsequently passed functional testing.The device history record was reviewed and showed that this device met all manufacturing specification for product released for distribution.No issues were identified that would have impacted this event.
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