Updated blocks: e1 and h6.The reported complaint was confirmed.Per data log analysis, on (b)(6) 2019, large roller pump module id 04904 reported many underspeed (head < demand) and an underspeed (belt slip).Looking through the log this has occurred on other days as well.The pump is labeled as vent in the perfusion screen.The log confirms the complaint.Per field service representative (fsr), the end user over occluded the roller pump which caused the errors.Further instruction was provided to the user on proper occlusion.If additional information becomes available on this complaint that would alter the facts and/or conclusion, a supplemental report will be filed accordingly.
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