The field service representative (fsr) reported that during preventive maintenance (pm) of the device, neither of the three temperature ports, cardioplegia (cpg), a, or b would work on cpg monitor.None of the temperature values were being displayed.There was no patient involvement.
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The reported complaint was confirmed.During laboratory analysis, the product surveillance technician observed there to be no output from the printed circuit board (pcb).When he installed the pcb into a lab use only cardioplegia (cpg)monitor, the temperature display was blank.A working cpg monitor will display dashes if there is not a temperature probe connected.If additional information becomes available on this complaint that would alter the facts and/or conclusion, a supplemental report will be filed accordingly.
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