B3.Date of event: unknown.No information has been provided to date.Investigation summary: the affected device was received for evaluation and was found to be in good physical condition, with small amounts of wear and tear.The device was unpacked, the tank was filled with water and a disposable was attached.The start button was pressed, and the device was fully functional from the beginning, no issue was found.A long-term test, about 3 hours, was performed, and the entire time the device was fully functional and responded okay during each test.A functional test was also performed using the pm-516 thermometer.The customer's indicated failure could not be replicated; therefore, the root cause could not be determined.No further repair was necessary.A review of the device history record (dhr) shows there were no observations or nonconformities recorded during manufacture to suggest an issue of this nature would occur with this lot of products.
|