Why NVR shows abnormal shutdown log? 


Why NVR shows abnormal shutdown log? 

[Root Cause]

The NVR was shut down suddenly instead of normal power off procedure. Such as press power button, plug-out power cord and so on. Below are the possible reasons:

  1. The power cord or power supply issue
  2. The power source is unstable
  3. Someone force shutdown the NVR 


  1. Exchange the power cord and power supply and make sure they connect to the NVR tight.
  2. Check the power source is compatible with the NVR spec and has stable voltage / ampere. If this issue is still remains, please follow below steps to setup UPS in your NVR:
    • Step 1: Check the supported UPS model is in NVR compatible list.
    • Step 2: Connect the NVR with your UPS system as below diagram.
  • Check the UPS status on "System Settings>APC UPS". Setup "Power Failure Action".

3. Double check with your staff and hide the power cord in a hidden place.

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