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Patient 1
THE CUSTOMER CONTACTED THE SIEMENS CUSTOMER CARE CENTER (CCC) TO REPORT THE DISCORDANT CARBON DIOXIDE CONCENTRATED (CO2_C) RESULT. THE QUALITY CONTROL (QC) WAS IN RANGE ON THE DAY OF EVENT. A SIEMENS CUSTOMER SERVICE ENGINEER (CSE) WAS DISPATCHED TO THE CUSTOMER SITE. THE CSE FOUND THE REACTION TRAY (RRV) OVERFLOWING FROM THE REACTION TRAY WASH UNIT (WUD) POSITION 2. THE CSE REPLACED THE REACTION TRAY WASH UNIT DRAIN VALVE 2 (CDEV2), AND CHECKED ASPIRATE AND OVERFLOW LINES FOR PLUGS. THE CSE CLEARED WUD PROBES, AND FOUND THE TUBING FOR THE WUD 2 ASPIRATE LOOSE AT THE WUD PROBE. THE CSE REPLACED TUBING, FOUND CONNECTOR FOR WUD 2 OVERFLOW LOOSE AT THE WUD PROBE, AND TIGHTENED. THE CSE STARTED WASH 3, AND OBSERVED NO OVERFLOW. THE CSE CLEANED THE LIQUID OFF OF THE CUVETTES, AND FOUND WATER IN THE REACTION TRAY (RRV) OIL. THE CSE CLEARED WATER FROM THE RRV OIL. THE CUSTOMER RAN AND VERIFIED QC, AND QC WAS IN RANGE. THE CSE OBSERVED NO SIGNS OF OVERFLOWING. THE CAUSE OF THE DISCORDANT CO2_C RESULT IS UNKNOWN. THE INSTRUMENT IS PERFORMING ACCORDING TO THE SPECIFICATIONS. NO FURTHER EVALUATION OF THIS DEVICE IS REQUIRED.