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September 28, 2013 15:01

FAQ:

1、 The DVR cannot boot up normally.

2、 The DVR reboots automatically or stops working after boot up a few minutes..

3、  The System cannot detect hard disk.

4、   There are no video outputs in single channel, multiple channels and all channels.

5、   Real-time image problems such as the image color or the brightness distortion.

6、   I cannot find the video files in local playback mode.

7、  The local video is not clear.

8、  There is no audio signal in the surveillance window.

9、  There is audio signal in the surveillance window but mo audio signal in the playback state.

10、 The time is wrong.

11、 The DVR cannot control the PTZ.

12、 The motion detect is not working,

13、 I cannot login via web.

14、The image is not clear or there is no image in network preview state or video file playback state.

15、 Network connection is not stable.

 

1、 The DVR cannot boot up normally.

Possible reasons are as followed:

1           The power supply is not correct.

2           Switch power supply line is not in good connection.

3           Switch power supply is damaged.

4           The program updating is wrong.

5           The hard disk is damaged or the hard disk lines are broken.

6           The front panel is damaged.

7           The main board of the DVR is damaged.

2、    The DVR reboots automatically or stops working after boot up a few minutes.

Possible reasons are as followed:

1           The input voltage is not stable or too low.

2           The hard disk is damaged or the hard disk lines are broken.

3           The power of the switch power supply is low.

4           Frontal video signal is not stable.

5           Bad heat radiator or too much dust or bad running circumstance for the DVR.

6           The hardware of the DVR is damaged.

3、       System cannot detect hard disk.

Possible reasons are as followed:

1           The hard disk power supply line is not connected.

2           The cables of the hard disk are damaged.

3           The hard disk is damaged.

4           The SATA port of main board is damaged.

4、   There are no video outputs in single channel, multiple channels and all channels.

Possible reasons are as followed:

1           The program is not matched. Please update the program.

2           The image brightness is all 0. Please resume the default setup.

3           There is no video input signal or the signal is too weak.

4           The channel protection or the screen protection is set.

5           The hardware of the DVR is damaged.

5、     Real-time image problems such as the image color or the brightness distortion.

Possible reasons are as followed:

1           When using the BNC output, the option between the N mode or PAL mode is wrong and the image becomes black and white.

2           The DVR is not matched the monitor impedance.

3           The video transmission distance is too far or the loss of the video transmission line is too large.

4           The color and brightness setting of the DVR is wrong.

6、   I cannot find the video files in local playback mode.

Possible reasons are as followed:

1           The data line of the hard disk is damaged.

2           The hard disk is damaged.

3           Update the different program with the origin program files.

4           The video files to look up are covered.

5           The recording is not on.

7、  The local video is not clear.

Possible reasons are as followed:

1           The image quality is too bad.

2           The reading program is wrong. Reboot up the DVR.

3           The data line of the hard disk is damaged.

4           The hard disk is damaged.

5           The hardware of the DVR is damaged.

8、    There is no audio signal in the surveillance window.

Possible reasons are as followed:

1           It is not an active tone arm.

2           It is not an active sound box.

3           The audio lines are damaged.

4           The hardware of the DVR is damaged.

9、     There is audio signal in the surveillance window but mo audio signal in the playback state.

Possible reasons are as followed:

1           Setting issues: the audio option is not chosen.

2           The according channel is not connected with the video.

10、 The time is wrong.

Possible reasons are as followed:

1           Setting is wrong..

2           The battery is in bad connection or the voltage is too low.

3           The oscillation is damaged.

11、  The DVR cannot control the PTZ.

Possible reasons are as followed:

1           There is something wrong with the frontal PTZ.

2           The setting, connection or the installation of the PTZ decoder is not correct.

3           The connections are not correct.

4           The PTZ setting of the DVR is not correct.

5           The protocols of the PTZ decoder and the DVR are not matched.

6           The address of the PTZ decoder and the DVR are not matched.

7           When multiple decoders are connected, the far port of the PTZ decoder line A(B) must connect a 120  resistance to reduce the reflection otherwise the PTZ control is not stable.

8           The distance is too far.

12、   The motion detect is not working,

Possible reasons are as followed:

1           The time range set is not correct.

2           The motion detect area set is not correct.

3           The sensitivity is too low.

4           Limited by some hardware edition.

13、  I cannot login via web.

Possible reasons are as followed:

1           The system is windows 98 or windows me. We recommend updating to windows 2000sp4 or higher edition or installing the software for low edition.

2            ActiveX is hold back.

3           The edition is not exceeded dx8.1. Update the display card driver.

4           Network connection failure.

5           Network setting issues.

6           Invalid password or user name.

7           The user edition is not matched the DVR program edition.

14、The image is not clear or there is no image in network preview state or video file playback state.

Possible reasons are as followed:

1           Network is not stable.

2           The user machine is resource limited.

3           Choose the play-in-team mode in the network setup of DVR.

4           The region shelter or channel protection is set.

5           The user has no surveillance purview.

6           The real-time image of the hard disk recording machine itself is not clear.

15、   Network connection is not stable.

Possible reasons are as followed:

1           Network is not stable.

2           IP address is conflicted.

3           MAC address is conflicted.

4           The network card of the computer or the hard disk recording machine is bad.