The device was returned to zoll medical corporation for evaluation.The customer's report was observed during review of the forensic memory logs.However, the device was put through extensive testing including bench handling, power cycling, complete calibration and functional stress testing without duplicating the report.An internal inspection found no discrepancies.A system interconnection ribbon cable 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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