An investigation was initiated in response to a customer complaint of a qcv-detected failure at section a1 in association with the vidas® analyser (ref.99735, serial number (b)(6) ).A field service engineer (fse) was dispatched in order to repair and qualify the instrument on february 26th.The fse identified that the cause of the qcv failure was a clog in the position a1.The fse performed a cleaning of the pump in position a.However due to a persistent clog on the pump, the fse replaced the pump.After replacing the pump, a leak test and qcv test were performed in order to qualify the instrument.The tv1 result values were correct on all positions and the instrument was functioning as intended.Conclusion: the cause of the qcv issue was a clog in position a1, which was solved by replacing the pump.See h10 for addtl mfg narrative.
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