E831CB Series - 4K IP PoE Wired Bullet Camera - Troubleshooting Guide

This article addresses common troubleshooting problems regarding your E831CB 4K IP Bullet Camera. For more information, please read the Frequently Asked Questions.

I need to reset the camera:

Use a screwdriver to remove the reset button cover and press down on the reset button until you hear the audio prompt.

No picture / signal:

• Ensure the camera is connected to a compatible NVR supporting 4K camera input. For full camera compatibility, visit lorex.com/compatibility.
• The camera may take up to 1 minute to power up after being connected to the NVR. Wait two minutes before following the steps below.
• Ensure the camera is connected to your NVR or to your local network.
• If you are not using PoE, you must connect the camera to a 12V DC power adapter (not included).
• If the camera is connected to the LAN, you must search your network for cameras using the NVR. See the NVR’s instruction manual.
• Ensure your NVR is properly connected to a TV/monitor.
• There may be an issue with your extension cable run. Connect the camera to the NVR using a different Ethernet cable.

Picture is too bright:

• Ensure your camera isn’t pointed directly at a source of light (e.g., sun or spot light).
• Move your camera to a different location.
• Check the brightness and contrast settings on the NVR.

Picture is too dark:

• If using during the day, the camera may not be getting enough light. Slide the sunshade backwards to let in more light.
• Check the brightness and contrast settings on the NVR.

Night vision is not working:

• The night vision activates when light levels drop. The area may have too much light.

Picture is not clear:

• Check the camera lens for dirt, dust, spiderwebs. Clean the lens with a soft, clean cloth.
• Make sure that the cable run is within the limitations.
• Remove the vinyl film from the camera lens when your installation is complete.

Bright spot in video when viewing camera at night

• Night vision reflects when pointing a camera through a window. Move the camera to a different location.

No audio:

• Audio is only supported on Lorex HD NVRs. For a list of compatible recorders, visit lorex.com/compatibility.
• Ensure NVR volume is turned on / turned up.
• Ensure audio function on camera is turned on.
• Ensure audio is turned up on viewing device.