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The suspect pump was returned for evaluation.Review of the event history log (ehl) identified a "pump system fault 41622" alarm during delivery accuracy testing.A review of the 12-month service history found no relevant findings.Visual inspection and functional testing were performed; however, the customer-reported issue could not be confirmed.Further investigation identified a scratched lcd lens, a dented upstream occlusion (uso) seal, and a motor that continued running.The lcd lens, uso seal, and cam flex sensor were replaced.Following repair, the device passed all functional testing.
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