The event dates back to (b)(6) 2020 and, the user did not involve dräger that time.Due to the long delay in the information chain it was not possible to obtain further details about the event.Similar events have been reported in isolated numbers in the past.These were related to situations where the user started therapy with a depleted internal battery and ran into an unexpected outage of mains supply.This is beyond the control mechanisms a manufacturer can establish and does not represent a single-fault condition.It is seen likely that this explanation applies here as well, a technical reason can however not be fully excluded due to lack of information.Thus, this report is filed in abundance of caution.
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