Investigation: per the customer, the ac bag was weighed and it was found that only about 10ml of ac had been used for the 69 minute procedure.During the procedure, the customer received a low platelet concentration alarm and they pressed the clumping down button.38 minutes later they received a level sensor error and they were unable to complete rinse back.The customer returned a used disposable set containing blood for investigation.The set was visually inspected for kinks, occlusions, missing parts, misassembly and leaks which may have contributed to the reported complaint, none were found.It was noted that there were observable clots and clumping throughout the set.A full bag of ac with spike attached was also provided with the return.The machine was checked out at the customer site by a terumo bct service technician.A full autotest and simulated use saline run were performed with no issues found.Technician found that the machine was pulling ac and was within manufacturer specifications.Investigation is in process.A follow-up report will be provided.
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