B4.Model # bl2340 serial # (b)(6) corrected to model # bl2363 serial # (b)(6).This system previously had a failure where the iv pole stopped moving.The problem was not duplicated but the iv pole was replaced as a preventative measure.The system recently had another failure whereby the iv pole stuck going up using bss by gravity.System appeared to operate normally after a hard reset.The issue was not duplicated during the service visit.Since the iv pole was previously replaced, then the other component most likely responsible for this issue is the iv pole controller or the user interface computer which drives the iv controller.The iv pole controller and the uic were replaced as a preventative measure.The lot history, trend analysis, risk analysis and/or directions for use review were considered acceptable, with the product performing within anticipated rates.No corrective action required.The computer module was returned for evaluation and confirmed the reported problem could not be duplicated.The root cause cannot be determined.
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