The device was returned to zoll medical corporation for evaluation.The customer's report was not confirmed or replicated.The device was put through extensive testing including power cycling, bench handling, hot battery swapping and defib function testing without duplicating the report.An internal inspection of the device found no discrepancies.The dock connector board was replaced as a pre-caution.The device was recertified and returned to the customer.Analysis of reports of this type has not identified an increase in trend.
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