The end-user claimed while attempting to reposition the seating via the switchbox, when initiating a tilt function, the seating was alleged as having started a stand function.End-user alleged when releasing the button on the switchbox, the seating continued to operate without control into a standing positioning.End-user claimed having attempted to hit every button to stop, but the seating continued to stand until the end-user reported losing positioning and fell forward out of the seating into some nearby bushes.Reports indicate the end-user sustained minor scratches and abrasions that did not require medical intervention.Review of device history indicated previous reports of operational anomalies that were determined to have been caused by the device electronics having been exposed to water.Replacement components were ordered and installed approximately 1.5 months prior to this reported event.After report of this event, the device has been removed from service and end-user provided with a new power wheelchair.An inspection and evaluation of the device was performed by permobil representatives who found the device to be fully operational with no indications or evidence of a failure or deviation in functionality having occurred.At this time, permobil was unable to duplicate any unintentional operation as alleged nor find any evidence to substantiate a failure has occurred.Permobil has requested the device be returned to the manufacturing site for further evaluation in effort to determine a potential root cause.If/when upon completion of evaluation, any new information or findings are discovered, a follow-up report will be submitted.The dhr was reviewed and the device was found to have met specification prior to distribution.
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