An investigation was performed for the customer issue and included a review of the complaint text, troubleshooting, a review of product historical data and a review of product labeling.Field service identified that the tubing to the vacuum on the mixing tower had popped off its connector and therefore the tubing needed to be reseated.It was determined that the sample error was the result of an improper tubing placement on the instrument.Review of product historical data did not identify any adverse trends or abnormal complaint activity.Labeling was reviewed and found to be adequate.Based on all available information and abbott diagnostics' complaint investigation a product deficiency was not identified.
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