Olympus field service engineer (fse) was dispatched to the user facility.The device was evaluated for a broken tube connector, the user report was confirmed.The fse replaced the connector and verified the equipment.Based on the investigation, it is presumed the connector unit was dismantled by breakage/loose of the connector.It may have disconnected the connecting tube.Stress/impact may have been added to the connector toward loose direction by the user handling, and the accumulated stress might cause the breakage.We could not confirm any factor to cause the event from design nor structure of the device.Even though there was an abnormality, it is detectable by conducting the following inspection as stated in chapter 3.Inspection before use, 3.3 inspecting the connectors: "check the following for each connector -the connector should be fixed firmly.The o-rings should be free of abnormalities such as cracks, tears, or dents." investigation also confirmed the subject device was shipped in accordance with specifications on the connector assembly via dhr.
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