Here are some troubleshooting tips for RLN36. You may check whether your camera's issue is listed below. If not, you may go to the Troubleshooting section to find suggestions for more issues or you may contact Reolink support for help.

  • NVR won't power on

    If the NVR stops working and the power LED is not on, you may follow the troubleshooting tips listed below to solve the problems.

    Cause 1. Power adapter issue

    Solution: Check the status LED on the power adaptor of the NVR. If the LED isn't on, please plug the power adaptor into another socket as well as change another working power adaptor (48V) for a try. If the LED is on, please check the HDD issue below.

    Cause 2. HDD issue

    Solution: Please unplug the HDD and check if the NVR will power on when no HDD is plugged in. You may open the NVR housing and refer to How to Change the HDD for Reolink NVR to remove the HDD. 

    Cause 3. The voltage is not sufficient.

    Solution: Unplug the cameras. If the NVR power LED goes on, please replug the camera back one by one. 
    For more information, please check POE NVR Failed to Be Power on.

  • NVR is freezing on the Reolink logo page

    When you connect the NVR via a monitor and start up the NVR, the NVR is freezing on the Reolink Logo Page. There are several possible causes for the issue. You may follow the troubleshooting tips listed below to solve the problem. 

    Cause 1. HDD issue

    Solution: Please unplug the HDD and check if the NVR will power on when no HDD is plugged in. You may open the NVR housing and refer to How to Change the HDD for Reolink NVR to remove the HDD.

    Cause 2. The voltage is not sufficient. 

    Solution: Unplug the cameras that are connected to the NVR and check if the NVR can boot up.

    Cause 3. Firmware issue

    Solution: Please refresh the firmware using a USB drive. 

    For more details, please check the article NVR is Freezing on the Reolink Logo Page.

  • No video output on the monitor/TV

    If there's no video output on the monitor from Reolink NVR, you may follow the troubleshooting tips listed below to solve the problem. There are several possible causes for the problem.

    Cause 1. The video output resolution of the NVR is not supported by the monitor/TV. 

    Solution: Ensure that the lowest resolution of the TV/monitor is no less than 720p.

    Cause 2. HDMI/VGA port on the NVR or the monitor/TV is defective. 

    Solution: Check whether the cable is defective by using it to connect other devices to the router and see if it works. Or please test with another HDMI/VGA cable or monitor/TV. 
    For more information, please check the article No Video Output on the Monitor/TV from Reolink NVR.

  • NVR reboots automatically

    If you found that the NVR is rebooting, below are some possible causes and solutions that you may refer to. 

    Cause 1. UPS issue

    Solution: If you use the UPS to power the NVR on, please plug the NVR directly into a wall socket and have it run for one or two days then check if the NVR reboots.

    Cause 2. HDD issue

    Solution: Please unplug the HDD and have the NVR run for one or two days then check if the NVR reboots. 

    Cause 3: The cameras and the NVR are both grounded. 

    Solution: Please unplug all the cameras from the NVR and have the NVR run on its own for one or two days and check if it still reboots (Please disable auto-reboot before you run the test). If the NVR doesn't reboot, the issue may be caused by both the NVR and the cameras being grounded. Please check whether the cameras and the NVR are grounded. If yes, please unground either the NVR or the cameras to fix the issue. 

    For more details, please refer to POE NVR Reboots Automatically.

  • Failed to add PoE cameras to the NVR

    If you noticed that after plugging the new cameras into the NVR, the camera's image does not show up on the monitor and it prompts "video loss". The following troubleshooting may be helpful to you.

    Cause 1. No available channels

    Solution: Delete the offline cameras from the IP channel, or manually assign a channel for the camera. 

    Cause 2. The new camera is distributed with the same IP address as the other cameras. 

    Solution: Please reset the camera and restore the NVR.

    Cause 3. The camera shows "invalid password" or "incorrect username and password". 

    Solution: Put the password of the camera.

    For more details, please refer to Fail to Add PoE Cameras to NVR.

  • Failed to connect NVR in LAN

    If you fail to connect the NVR through the network, below are some possible causes and solutions for your reference.

    Cause 1. NVR is powered off. 

    Solution: Check whether the power light is on. If it is off, please refer to POE NVR Failed to Power on.

    Cause 2. The LAN port is defective. 
    Solution: Please check if the LAN port on the back lights up or not. If not, please try another ethernet cable and port on the router for a test.
    Cause 3. The gateway is 0.
    Solution: Please change a router or switch and further check the issue. Please also reboot the NVR and check if the issue remains.

    Please upgrade the NVR's firmware to the latest firmware.

    For more details, please refer to Failed to Connect NVR in LAN.

  • HDD capacity shows 0GB or not detected

    When you fail to playback the videos of the NVR and find the capacity of the HDD is 0GB, or it shows "HDD not detected", here are some possible causes for your reference.

    Cause 1. The firmware version of the NVR is old. 

    Solution: Please find out the firmware version of the NVR and go to the Download Center to download and unzip the package to upgrade it. 

    Cause 2. The format of the HDD is wrong. 

    Solution: Please format/init the HDD to try again, please refer to Check/Init HDD via PoE NVR.

    Cause 3. Defective HDD

    Solution: Please unplug and replug the HDD to see if it works. If possible, please test with another working HDD. 

    For more details, please refer to HDD Capacity Shows 0GB.