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Alleged failure: moisture was seen behind the glass of the camera head.Probable root cause: " cables; hdmi cables; connectors; digital board; power supply; filter / fuse; ac inlet board; main board; transition board; intermittence between transition board and ch connector; software; camera head (sensor, sensor cable); coupler (dust on optics, scratched optics, broken / shifted lenses, focusing mechanism, ndoclamp, zoom ring); problem toggling light source; connected monitors; leaking; poor grounding (e.G camera head connection from cable to transition board.); no/incorrect communication with light source; soaking cap disconnection during sterilization; electromagnetic interference (emi) from rf communication, hf surgical instruments, esd, or power surge; cybersecurity attack; pendulum ch inertial measurement unit (imu); incident light from surgical scene is reflected by coupler/ch window; use error.The reported failure mode will be monitored for future reoccurrence.
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