This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 11 years since the subject device was manufactured.Based on the results of the investigation, the cause is likely temporary malfunction of the drain pump.The drain hose tip may have been clogged by incorrect position of the hose or a large amount of drainage from other equipment and/or devices, which made drainage capacity low.This issue is addressed in the instructions for use (ifu): "if the drain hose is placed at incorrect position, user can use the equipment without problem by positioning the hose according to figure 4.2 at ¿4.1 installation conditions - drain hose precautions¿ in ifu (installation manual)." e2, e3 ¿ three attempts were performed to obtain occupation for the reporter but were not successful.If additional information is obtained at a later date, a supplemental report will be submitted.Olympus will continue to monitor the field performance of this device.
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