CCTV fault-isolation tool
Why is the CCTV camera offline?
Separate camera power, cable/network, recorder, storage and mobile-view problems in four questions.
Do not factory-reset the DVR, NVR or camera first. A reset can remove settings, credentials or recording access without fixing the cause.
Step 2
Check in the right order
Your result will avoid destructive resets and separate local recording from remote viewing.
Stop now
Next checks
Information to keep
Important limits
The wizard identifies a fault path, not a confirmed failed part. Follow the exact manufacturer manual and preserve configuration and recordings before changes.