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The device was received at the local service facility for investigation.The technical service report is attached (see comm log), and indicates: repair request details: symptoms of video disappearing 5-6 times during surgery.Symptom / failure details: we inspected this product, but there were no abnormalities.Treatment work content: replacement work due to cuts on the cable exterior coating.Confirmation of images under a mirror, qip (quality inspection), passed.Probable root cause: cables, connectors, digital board, power supply, filter / fuse, ac inlet board, main board, transition board, fiber board, intermittence between transition board and ch connector, fan / insufficient cooling, software, camera head, coupler , extension cable, intermittence while using rf devices , problem toggling light source from camera head, connected monitors, leaking, manufacturing/ service nonconformity, use error.The reported failure mode will be monitored for future reoccurrence.Manufacture date is not known.
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