A field service engineer (fse) was at the customer¿s site to address the reported event.Fse confirmed the complaint by reviewing the error logs and was able to reproduce the complaint by running a daily check.Fse replaced the 3-way solenoid valve washer, wash probe assembly, cleaned and lubricated guide rails, and checked for leakage, no leaks occurred.Fse also cleaned debris from the incubator cover and detector.Fse followed up with the customer and validated the analyzer by successfully performing daily check, ran quality control run without error and within acceptable range.No further action required by field service.The aia-900 analyzer is functioning as expected.A 13-month complaint history review and service history review through aware date of event for similar complaints was performed for serial number 10644804.No other similar complaints found for error 2239 bf probe 1 purge failure during the searched period.There were two (2) similar complaints identified for error message 2240 bf probe 2 purge failure during the searched period, which includes this event.The aia-900 operator's manual under section12: flags and error messages states the following: (2239) bf probe 1 purge failure.Cause: the overflow sensor 1 s132 failed to detect liquid after the washer was discharged.Action: it is conceivable that air has entered the washer tube.Prime the tube and bleed off the air.Check the remaining quality of washer, check to see if there is air in the washer tube, and check s132, the discharge solenoid valve sv150, and the washer tube.[2240] bf probe 2 purge failure: cause: the overflow sensor 2 s133 failed to detect liquid after the washer was discharged.Action: it is conceivable that air has entered the washer tube.Prime the tube and bleed off the air.Check the remaining quality of washer, check to see if there is air in the washer tube, and check s133, the discharge solenoid valve sv151, and the washer tube.The most probable cause of the reported event was due to the faulty bf wash probe and 3-way solenoid valve washer.
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