The complained product has been requested several times for return to execute investigation: 1 st request: 01.04.2020 2nd request 14.09.2020 3rd request 21.12.2020 no product was returned.Therefore, no physical investigation can be executed.The malfunction could be caused by overloading the instrument by exerting too much force.However, this cannot be confirmed because the instrument could not be examined.Based on this, there is no indication for a systematic issue, on the basis of which no further action is required.
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