Common faults and solutions for embedded DVRs:
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1. After plugging in the 220V power supply, turn on the power switch, the panel “POWER†light does not light, and the chassis fan does not turn.
The power cord is broken;
The switching power supply is broken.
2. After plugging in the 220V power supply, turn on the power switch, the panel “POWER†light is on and green, but the chassis fan does not turn.
The panel cable is broken;
The panel is broken.
3. After plugging in the 220V power supply, turn on the power switch, the panel “POWER†light is on and green, but the rest of the panel lights are all on immediately, and the chassis fan does not turn.
The ATX plug on the motherboard is loose and not inserted.
4. Fault phenomenon: After the DVR is turned on, it will restart continuously, and a “beep†sound will be sent every 10 seconds.
Upgraded the wrong program;
The compression plate is broken;
The motherboard is bad.
5. After the DVR is turned on, there is no image on the monitor connected to V-OUT.
The video cable connected to the monitor is broken;
The interface board of the DVR is broken;
The motherboard of the DVR is broken.
6. The hard disk cannot be found at startup.
The hard drive cable is broken;
The hard disk power cord is not inserted;
The hard drive is broken.
7. After booting, the RS-232 serial port has no output on the character terminal interface, or the RS-232 serial port output is normal, but when the keyboard is pressed, there is no response on the terminal interface.
RS-232 serial cable is bad;
The serial port of the PC is bad;
The RS-232 serial port of the motherboard is bad.
8. The PTZ connected to the RS-485 interface of the DVR is not controlled.
The RS-485 interface cable is not connected properly.
PTZ decoder type is incorrect;
The RS-485 interface of the motherboard is bad.
9. The video and audio network transmission cannot be performed on the client.
One or more of the hard disk recorder IP address, port number, user name, and password entered in "Local Configuration" on the client interface are incorrect;
The network cable is not good;
The network interface of the motherboard is bad.
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