It was reported to philips, that the device fails defibrillation test.There was no patient involvement.The bench technician evaluated the device.Confirmed, the failing defibrillation test.The device needs a high voltage capacitator and a therapy pca.The therapy board was returned.And had failure analysis performed on it.The reported allegation about the "failing defib test " was not verified or duplicated, during lab tests.The therapy pca passed all tests, during operational check.And performed as expected.Therefore, there is no fault found (nff) with this therapy board it was determined, that the therapy pca and a high voltage capacitor require replacement.We are unable to determine, the root cause of the event as multiple parts were required for replacement.The parts were replaced.And the device passed all testing.
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