Troubleshooting for Biometric


CCTV Troubleshooting Tips (10 Points)

No. Troubleshooting Tip Action
1 Check Power Supply Verify camera, DVR/NVR, and power adapters are receiving power. Faulty power supplies are a common cause of CCTV failures. (Zbotic)
2 Inspect Cable Connections Ensure BNC, RJ45, and power connectors are firmly connected and free from damage. (jmcsecure.co.uk)
3 Verify Camera Status Check whether the camera is online and displaying video. Test with another channel or port if needed. (CCTV Proof)
4 Clean Camera Lens Dust, dirt, water spots, or spider webs can reduce image quality. Clean lenses regularly. (Oxmaint)
5 Check DVR/NVR Recording Confirm that the DVR/NVR is recording properly and that storage settings are configured correctly. (Reddit)
6 Inspect Hard Drive Health A failed or disconnected hard drive can stop recording. Check HDD status and storage capacity. (CCTV Proof)
7 Test Network Connectivity For IP cameras, verify router, switch, PoE ports, and network cables are functioning correctly. (ED VISTON)
8 Check Night Vision (IR LEDs) If images are poor at night, inspect infrared LEDs and remove reflective objects near the camera. (CCTV Proof)
9 Review Camera Position and Focus Ensure cameras are properly aligned, focused, and not obstructed by objects or vegetation. (ED VISTON)
10 Restart and Update System Reboot cameras, DVR/NVR, and network equipment. Update firmware when available to resolve software issues. (CCTV HELP DESK)

Inspection Images

Camera Maintenance

DVR/NVR Troubleshooting

Image

Network and Cable Testing

Quick Checklist

✅ Power ON
✅ Cables Secure
✅ Camera Online
✅ Clear Lens
✅ Recording Active
✅ HDD Healthy
✅ Network Connected
✅ Night Vision Working
✅ Camera Focused
✅ Firmware Updated

These 10 points cover most CCTV faults and can help identify issues before calling a technician. (CCTV HELP DESK)


Did you find this article useful?