The device was returned to zoll medical corporation for evaluation.The customer's report was observed during review of the device history logs.However, the device was put through extensive functional testing including defib/pacer stress testing, bench handling and defib cycling without duplicating the report.A review of the logs show the error message was resolved after power cycling.The processor/bridge/pace board was replaced as a precaution.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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