D4: udi is unknown.This remediation mdr was generated under protocol b10010116, as a result of warning letter cms# (b)(4).No causes or potential causes of the customer's reported problem were found during the review of service and repair records.A product sample was received for evaluation.Visual and functional testing were performed.The motor doesn't work even though it passed the selftest.After replacing the capacitor of the motor with a known good one for testing purposes the device works but hits on the housing, especially on the front / step switch and thermistor hose cable connection area, changes the real temperature rapidly.The root cause of the reported issue was found to be a possible faulty mainboard.Actions were taken to mitigate the reported issue: replaced the single phase motor, motor mount plate ,shaft sleeve, retaining ring, impeller 27 vane, receptacle cable, control board and step / membrane switch.
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