Dahua Technology XVR Series, Руководство пользователя

Страница: 332 / 363

User’s Manual
320
7
FAQ
1. DVR cannot boot up properly.
There are following possibilities:

Input power is not correct.

Power connection is not correct.

Power switch button is damaged.

Program upgrade is wrong.

HDD malfunction or something wrong with HDD jumper configuration.

Seagate DB35.1
，
DB35.2
，
SV35 or Maxtor 17-g has compatibility problem. Upgrade to the latest
version to solve this problem.

Front panel error.

Main board is damaged.
2. DVR frequently shuts down or stops running.
There are following possibilities:

Input voltage is not stable or it is too low.

HDD malfunction or something wrong with jumper configuration.

Button power is not enough.

Front video signal is not stable.

Working environment is too harsh, too much dust.

Hardware malfunction.
3. Hard disk cannot be detected.
There are following possibilities:

HDD is broken.

HDD jumper is damaged.

HDD cable connection is loose.

Main board SATA port is broken.
4. There is no video output whether it is one-channel, multiple-channel or all-channel output.
There are following possibilities:

Program is not compatible. Upgrade to the latest version.

Brightness is 0. Restore factory default setup.

There is no video input signal or it is too weak.

Check privacy mask setup or your screen saver.

DVR hardware malfunctions.
5. Real-time video color is distorted.
There are following possibilities:

When using BNC output, NTSC and PAL setup is not correct. The real-time video becomes black
and white.

DVR and monitor resistance is not compatible.

Video transmission is too long or degrading is too huge.

DVR color or brightness setup is not correct.
6. Cannot search local records.
There are following possibilities: