132
Appendix E Troubleshooting
Failure
Possible reasons
After plugging in power, turning on the power switch,
“POWER” light in front Panel does not turn on, and fan
does not work.
1)
Power cable is broken.
2)
Power supply is broken.
After plugging in power, turning on the power switch,
“POWER” light in front panel turn to green while fan does
not work.
1)
Front panel cable is broken.
2)
Fan is broken.
After plugging in power, turning on switch, “POWER”
light turn to green, the indicator lights in the panel turn on
at the same time, but fan does not work.
The ATX plug in main board is
not well plugged in.
DVR continuously reboots after start up, and makes a
sound like “di” every 10 seconds.
1)
Upgrade the wrong firmware
2)
Compression
board
has
problems.
3)
Main board has problems.
There are no images in the monitor connected with VOUT
after DVR is started.
1)
The cable connected with the
monitor is broken.
2)
Real board of DVR has
problems.
3)
Main board of DVR has
problems.
Cannot find the hard disk in reboot process.
1)
Hard disk cable is broken.
2)
The power cable of hard disk
is not connected.
3)
Hard disk is broken.
No reponse in HyperTerminal interface.
1)
Baud rate is not matched.
2)
RS-232 cable is broken.
3)
Serial port of PC is broken.
4)
RS-232 port of DVR is
broken.
DVR can not control PTZ through RS-485 port.
1)
RS-485
cable
is
not
connected
correctly
or
broken.
2)
PTZ parameters error.
3)
RS-485 port of DVR is
broken.
Client software can not view DVR live image.
1)
Network is error.
2)
Connect wrong DVR (wrong
IP, port number, username or
password, ect).
Summary of Contents for DS-8704HI-S
Page 14: ...14 The installation of HDD is complete...
Page 25: ...25 How to exit menu Press PREV or ESC key to exit menu and return to preview mode...
Page 56: ...56 In this case press ENTER to return password edit box and input new password again...
Page 62: ...62...
Page 113: ...113...
Page 124: ...124 The corresponding relationship of cross cable...
Page 136: ...136 Suggestions...