A getinge field service engineer evaluated and confirmed device failed the pim and membrane portions of the all manifolds test while completing the installation checklist.Affixed red sticker to device indicating the unit is not cleared for clinical use at this time.Fse replaced pneumatic module assembly.Completed full pm, calibration, safety, and functionality checks were completed per the service manual.All checks passed factory specifications.Device is functioning in accordance with factory specifications at this time and is cleared for clinical use.The defective components were received for further investigation.The failure analysis and testing dept.Installed the patient interface module into the cardiosave test fixture and tested the patient interface module to factory specifications per procedure and the cardiosave service manual.The failure analysis and testing dept.Verified the failure of the patient interface module failure - "failed membrane leak test at 6mmhg".Specification of testing shall be (membrane diff prs.±6 mmhg).Retaining the patient interface module in the fat dept.Further investigation may be required by sustaining engineering.If further investigation is not required, the pim shall be scrapped.The failure analysis and testing dept.Installed the safety disk into the cardiosave test fixture and tested the safety disk to factory specifications and the cardiosave service manual.The fat dept.Verified the failure of the safety disk failure of the membrane differential pressure with the results of 6 mmhg.Factory specification is +/- 6mmhg.Retaining the safety disk in the fat dept.Further investigation may be required by sustaining engineering.If further investigation is not required, the safety disk shall be scrapped.No longer going to sustaining for further analysis.Investigation is completed.Retaining the part in the failure analysis and testing department per.The non-conformances with the returned components were confirmed.However, the root cause or the most probable root cause is impossible to be defined.
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