6
6
6
6 FAQ
FAQ
FAQ
FAQ and
and
and
and maintenance
maintenance
maintenance
maintenance
6
6
6
6.1
.1
.1
.1 FAQ
FAQ
FAQ
FAQ
If the problems are not listed, please contact the local service or call the HQ service. We are willing
to offer the service.
1
1
1
1
、
The
The
The
The DVR
DVR
DVR
DVR can
can
can
can not
not
not
not boot
boot
boot
boot up
up
up
up normally.
normally.
normally.
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
The
The
The DVR
DVR
DVR
DVR reboots
reboots
reboots
reboots automatically
automatically
automatically
automatically or
or
or
or stops
stops
stops
stops working
working
working
working after
after
after
after boot
boot
boot
boot up
up
up
up a
a
a
a few
few
few
few minutes.
minutes.
minutes.
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
3
3
3
、
System
System
System
System can
can
can
can not
not
not
not detect
detect
detect
detect hard
hard
hard
hard disk.
disk.
disk.
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.