(b)(4).Maquet medical systems, usa submits this report on behalf of the legal manufacturer of the device maquet cardiopulmonary (b)(4), (b)(6).Field safety engineer was sent for investigation.He could not reproduce reported problem of "loss of communication" while running twin pump ( serial number (b)(4)) (free running/card ) respectfully.Although, error code "em07" indicated on scp module.Adjusted 5v reference voltage error message still present.Dis-assembled scp module, removed ribbon cable and re-connected a few times, error message removed.Operational and safety tested.Thus failure could not be confirmed.This data will be handled through a designated maquet trending process.If a trend occurs, it will be escalated to quality assurance management for review and determination if further investigation is necessary.Due to this no further action will be completed at this time.
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