During set up and preparation of the in-house transport isolette, the nurse noticed a strong electrical smell from the isolette chamber.She immediately unplugged the unit from ac power and removed the isolette from the care area.Biomedical engineering retrieved the unit and opened device for inspection.The bme found the high current bridge rectifier burnt along with the bridge lead going to the power terminal block.The bme also noted swelling of the 12v 28ah internal battery.Review of the service history on this isolette and other of the same model noted the same component failure in two previous repairs on two separate devices.Parts ordered and isolette scheduled for repair.
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