(b)(4) review by the abbott field service engineer (fse) identified the source of the smoke as a dirty air heater assembly.A clogged fan with gasket was also replaced to return the analyzer to normal function.The observed damage was limited to the air heater assembly and did not spread to other parts of the analyzer.Further evaluation of the customer issue included a review of the complaint text, a search for similar complaints, and a review of labeling.Return parts were not available.Review of the service history, for instrument serial number (b)(4), did not identify any other issues that may have contributed to the current complaint issue.A tracking and trending review was completed; no adverse trend for smoke/burn complaints of the fan with gasket was identified.Labeling was reviewed and it was determined that adequate instructions, as to the specific requirements for safe and optimum performance of the system, which includes leaving the instrument power on continuously and allowing for adequate ventilation.Instructions for performing an emergency shutdown are also provided.Based on the available information no product deficiency air heater assembly of the tdxflx, list number 04a24, was identified.
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The customer observed smoke while using the tdxflx analyzer.The customer indicated that when turned the analyzer back on, after cleaning the air filter, a puff of smoke was visible and inside the carousel was warm.No injuries or impact to patient management were reported.
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