NVR - What should we do if NVR randomly rebooting or shutting down - 202201

Q. What should we do if NVR randomly rebooting or shutting down?

A. Following steps are suggested: 

• Disconnect HDD and boot NVR. If NVR boots without HDD, then HDD has failed or is not compatible.

Besides, there are following possibilities:

• If Input voltage is not stable or it is too low, then change the power supply and cable. 
• If HDD malfunction or something wrong with the ribbon, then replace the HDD or the ribbon.
• Button power is not enough, then add more button power.
• If Front video signal is not stable then check and adjust front video signal. 
• If Working environment is too harsh, too much dust then clean it. 
• If Hardware malfunction then replace hardware.