Upon completion of the investigation it was noted that the position of the cam when valve was received was 200mmh2o.The valve was visually inspected, needle holes in the needle chamber were noted.The valve was irrigated with purified water.No occlusion was noted.The siphon guard was irrigated with purified water, no occlusions were noted.The valve was dried.The valve was leak tested, only leaked from the needle holes in the needle chamber.The valve was tested for programming.The valve passed the test.The siphon guard was removed.The valve was then pressure tested, the valve passed the test.Review of the history device records confirmed the valve product code 82-3162 with lot crbdb4, conformed to the specifications when released to stock in 17th march 2014.No root cause could be determined as the valve functions, no bend could be found with the valve.Based on the results of this investigation no further action is required.Trends will be monitored for this and similar complaints.At the present time this complaint is closed.
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