Dvr-systems NVR38xx Series Manuel d'utilisateur télécharger pdf (Page 120)

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9 FAQ

1. Device can not 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 ribbon.

 Seagate DB35.1，DB35.2，SV35 or Maxtor 17-g has compatibility problem. Please

upgrade to the latest version to solve this problem.

 Front panel error.

 Main board is damaged.

2. Device often automatically shuts down or stops running.

There are following possibilities:

 Input voltage is not stable or it is too low.

 HDD malfunction or something wrong wit the ribbon.

 Button power is not enough.

 Front video signal is not stable.

 Working environment is too harsh, too much dust.

 Hardware malfunction.

3. System can not detect hard disk.

There are following possibilities:

 HDD is broken.

 HDD ribbon 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. Please upgrade to the latest version.

 Brightness is 0. Please restore factory default setup.

 There is no video input signal or it is too weak.

 Check privacy mask setup or your screen saver.

 Device 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.

 Device and monitor resistance is not compatible.

 Video transmission is too long or degrading is too huge.

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Dvr-systems NVR38xx Series Manuel d'utilisateur Page 120