A siemens customer service engineer (cse) was dispatched to the customer site.The cse evaluated the instrument and instrument data.After data evaluation, the cse determined that there were sample probe integrity errors on every sample during the time of the event.The cse tested sample pressure, calibrated the printed circuit board voltage and replaced the syringe.The cause of the system not functioning during the time of the event is unknown.The cse ran quality controls, which were within specification.The instrument is performing within specifications.No further evaluation of the device is required.
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