Siemens has completed the investigation of the returned instrument.The d16 on the main board was the source of the burning smell, but it is not a fire risk.D16 fails when incorrect power is connected to the device, either through plugging in the wrong power supply (device uses a common barrel connector) or using 3.5v rechargeable batteries (device specifies using common 1.5v aa batteries).In addition, this can be caused by any natural event causing a power surge.The customer stated that the event occured when powering the instrument with only batteries.The batteries were discarded by the customer and therefore the cause of this event is unknown.
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