The device was returned to smiths medical.Device was received in with a damaged front panel, battery cover, bottom casing, instruction label, and input/output label.The knobs do not stop at the end stops, they are also an incorrect style.The patient outlet fitting is loose, and the input manifold is loose on the bottom chassis.Connected to an o2 source checking the high-pressure alarm and performing a visual inspection.The root was cause was determined to be physical impact, due to the customer dropping the device.Replaced the casing and its labels, front panel, and electrical chassis.Replaced damaged rotary flow valve, input manifold assembly, gas supply indicator, and input block assembly.Replaced the function switch for a failed cpap.Corrected the o-ring seating in the sbv.Reset patient pressure cycling led.Adjusted cpap control needle due to output measurements not in tolerance.Installed mri battery, sintered filter, and o-rings for the pm.Performed pm testing, recalibrated unit, cleaned and affixed service label.Then, the device passed functional tests.
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