# QND-8020R # FPCB # Lens rotate
1. Installation case
- Installed QND-8020R cameras for offices and commercial building security monitoring
2. Symptom
- Lamp for power and link displays on normally, but no response when attempting to
connect to the network
3. Cause
- FPCB disconnected which links between network board and sensor board
- Assumed that the lens was disassembled arbitrary for camera angle adjustment
- External force which is greater than the FPCB attachment strength was applied to the camera
4. Measures
- Do not disassemble arbitrary even if internal review of the camera is required
- When changing the angle of view, be careful not to change it forcibly to an angle beyond the
allowable range
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