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Alleged failure: blurry image.Confirmed failure: cpl-a-coi mechanical failure - cmount threads too loose/stripped.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, software, scope, light source, camera head, coupler, 1488 & 1588 extension cable, intermittence while using rf devices , problem toggling light source or from camera head, connected monitors, leaking, use error, poor grounding, electromagnetic interference (emi) from rf communication, hf surgical instruments, esd, or power surge & manufacturing/ service nonconformity.The product was returned for investigation and the reported failure mode was confirmed.The failure mode will be monitored for future reoccurrence.
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