It was reported that there was a burn smell.The handset had been left on the cradle overnight and the next morning had burn marks, but had not melted.Customer stated that the handset had been giving red lights for a bout a week prior to this event.There were no reports of injuries, or patient or user involvement.There was no report of any impact to patient care.
|
Upon visual inspection, it appears that a thermal event occurred.It is not possible to determine the exact sequence of events that led to the thermal event.However, there is evidence that a short occurred in the lower battery pack between the cells and printed circuit board (pcb).There was a blackening on the top of the lower battery pack and its printed circuit board (pcb).Cells 2 and 3 appear to have been involved in the thermal event, likely by supplying energy into a fault in the board.Additionally there was a slight melting of the handset plastic enclosure.This concludes the investigation.A recall is ongoing.(b)(4).
|