A new sensor cassette was placed on the radiometer abl 80-coox blood gas instrument (b)(6) 2014 at approximately 1500 because all the test had been used.Part #945-714 lot #205624, instrument serial #(b)(4).Once changed and installed, the instrument performs a system cycle (internal quality control check) anda 2pt calibration.The system cycle did not perform the system cycle but performed the 2pt calibration.System cycles are suppose to perform every 8 hours daily.The 2pt calibration performs after a sensor cassette has been changed then and 30 minutes afterwards.In this case, the system cycle failed to perform but the 2 pt calibration performed every 8 hours instead.Each day, the 2pt calibration performed checks every 8 hours from (b)(4) 2014 at 1600 until tech support was called on (b)(4) 2014 at approximately 1530.
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