Is Your Hikvision Camera Broken? A Diagnostic Guide
When a Hikvision camera stops working, it can disrupt your entire security system. The term "broken" can mean many things, from a simple software glitch to a complete hardware failure. The key is to systematically troubleshoot the issue to identify the root cause.
This guide will walk you through the common failure symptoms and the steps to take to diagnose and hopefully resolve the problem.
## Symptom 1: Camera is Offline or Shows 'Video Loss'
This is the most common issue. Your NVR or Hik-Connect app reports that it can no longer communicate with the camera.
### Network and Power Troubleshooting
- Check Power: The first step is to ensure the camera is receiving power.
- PoE (Power over Ethernet): Look at the indicator lights on the NVR's or switch's PoE port that the camera is connected to. Are they lit or flashing? Try plugging the camera into a different PoE port.
- 12V DC Power: If using a separate power adapter, ensure it is plugged in and functional. Test it with another device if possible.
- Verify Network Connectivity:
- Pinging the Camera: Use a computer on the same network to "ping" the camera's IP address. Open a command prompt and type
ping [camera IP address]. If you get a "Request timed out" or "Destination host unreachable" message, the camera is not communicating on the network. - Check Cabling: A damaged or disconnected network cable is a frequent culprit. Inspect the cable for damage and ensure it's securely plugged in at both ends. Try a new, known-good patch cable for testing.
- Pinging the Camera: Use a computer on the same network to "ping" the camera's IP address. Open a command prompt and type
- IP Address Conflict: If you have recently added a new device to your network, it's possible it has the same IP address as your camera, causing a conflict. Disconnect the new device to see if the camera comes back online.
## Symptom 2: Camera is Online, but Video is Black or Frozen
In this scenario, the NVR shows the camera as connected, but the video feed is not working correctly.
### Software and Firmware Troubleshooting
- Reboot the Camera: The simplest solution is often the most effective. Power the camera down by unplugging it, wait for 60 seconds, and then plug it back in. This will restart its internal software and can clear temporary glitches.
- Check the Web Interface: Enter the camera's IP address into a web browser (like Internet Explorer for older models or Chrome/Edge for newer ones). Try to log in. If the web interface is also frozen or inaccessible, it points to a more serious issue. If you can log in, check the live view from there.
- Firmware Corruption: A failed firmware update or a sudden power loss can sometimes corrupt the camera's software. The only solution for this is often a factory reset. Locate the physical reset button on the camera (its location varies by model), and follow the manual's instructions to perform a hard reset. Note: This will erase all of your settings.
## Symptom 3: Night Vision (IR) Failure
The camera works fine during the day, but at night the image is pitch black, or the infrared LEDs do not light up (they emit a faint red glow).
### Hardware Failure Diagnosis
- Listen for the 'Click': When a Hikvision camera switches to night mode, you should hear an audible 'click' sound. This is the IR cut filter moving away from the lens. If you do not hear this click as the environment gets dark, the filter mechanism may have failed.
- Forced Mode: In the camera's web interface, go to Image > Day/Night Switch and manually set the mode to 'IR'. If the LEDs still do not turn on, it confirms a failure of either the IR board or the light sensor.
- Stuck in B&W: Conversely, if the camera is stuck in black and white mode during the day, it means the IR cut filter has failed to move back into place.
In most cases, night vision failure indicates a hardware problem that requires professional repair or replacement of the camera.