The incident occurred in germany, alber is filing this report because the device is also marketed and sold in the u.S.The scalamobil has been returned for an evaluation.An investigation was performed.The brake wheel is not broken but deformed.The visible damages (deformation of the brake wheel) to the stairclimber were caused by tipping to the side.Despite of the visible damages (deformation of the brake wheel) no alleged malfunction/deficiency was found with the device.Based on the information provided and the investigation, it was determined that the most probable cause of the event was an operating error.
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