405
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 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. DVR 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 with 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 cannot 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.
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.
Summary of Contents for HCVR8204A-S3
Page 1: ...Dahua HDCVI Standalone DVR User s Manual Dahua HDCVI Standalone DVR User s Manual V1 3 1 ...
Page 30: ...20 Name Parameters XVR8808S XVR8816S Installation Mode Desktop rack installation ...
Page 77: ...67 Figure 4 24 Figure 4 25 ...
Page 184: ...174 Figure 4 147 Figure 4 148 ...
Page 185: ...175 Figure 4 149 Figure 4 150 ...
Page 213: ...203 Figure 4 177 Figure 4 178 ...
Page 220: ...210 Figure 4 186 Figure 4 187 ...
Page 221: ...211 Figure 4 188 Figure 4 189 ...
Page 227: ...217 Figure 4 194 Figure 4 195 ...
Page 240: ...230 Figure 4 208 Figure 4 209 4 16 2 Channel Name ...
Page 246: ...236 Figure 4 215 Figure 4 216 ...
Page 324: ...314 Figure 5 73 Figure 5 74 ...
Page 387: ...377 Figure 5 155 Note For admin you can change the email information See Figure 5 156 ...
Page 440: ...430 ...
Page 446: ...436 Email overseas dahuatech com Website www dahuasecurity com ...