The device was returned to zoll medical corporation for evaluation.The customer's report was not replicated or confirmed.The device was put through extensive testing including bench handling, defib cycling, and battery testing without duplicating the report.An internal inspection of the device found no discrepancies.The log shows the device recognized a battery recalibration condition.This is not an indication of a device malfunction, but that the battery needs to be calibrated to the capacity it can supply based on factors like age.The battery nor any other cables or accessories were returned for evaluation.The battery connection hardware was replaced as a precaution.The device was recertified and returned to the customer.No trend is associated with reports of this type.
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