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Common troubleshooting of embedded hard disk VCR

Common troubleshooting of embedded hard disk VCR

Richmor richmor.net 2018-02-06 22:46:42
1, plug in the 220V power supply, open the power switch, the panel "POWER" light is not bright, the chassis fan does not turn.

2, after the 220V power supply, open the power switch, the panel "POWER" light is bright and green, but the chassis fan does not turn.

3, plug in the 220V power, turn on the power switch, the panel "POWER" light is green, but the rest of the panel lights are all lit up immediately, and the chassis fan does not turn.(Hdd  for dvr wholesales)

4, the failure phenomenon: after the hard disk recorder is started, it is constantly restarted and a "beep" call is issued every 10 seconds.



5. After the hard disk VCR starts, there is no image on the monitor connected on the V-OUT.

6. The hard disk can't be found at startup.

7. The RS-232 serial port has no output on the character terminal interface, or the output of the RS-232 serial port is normal, but there is no response on the terminal interface when the keyboard is knocked.(3g dvr with SIM card)

8. The cloud platform connected to the RS-485 interface of the hard disk VCR is not controlled.

9. Video and audio network transmission can not be carried out on the client side.

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