I¿ve had two respironics philips dream station s/n: (b)(4).Auto sv bipap machin, ref # dsx900s11 with air blower malfunction that were new.First one made loud clicking sounds from the motor or blower.It was replaced by a second unit which did the same thing with the motor after two weeks after i received the unit and a loud whistle is being made with the second replacement unit.I was unable to sleep with the sound and the pressures seemed to be much lower in pressure and not treating my sleep apnea.Fda safety report id # (b)(4).
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