Defender SN502-4CH Instruction Manual page 81

DVR TROUBLESHOOTING
My DVR is connected to my
router, and both devices have
DHCP enabled, but my DVR will
not acquire an IP address
I can't see the online footage
using my external IP address
Cannot view the DVR through a
remote Internet connection
Remote control is not working
I plugged a mouse into the USB
port but it's not working
The DVR keeps beeping at me
The network settings on the
DVR are not showing me any
information
The HDD light is blinking
SN502-4CH
• Check Ethernet connections, ensure that the connection lights are on
(on router and back of DVR)
• Try using a different Ethernet cable and/or a different port on your
router
• Sometimes your router will not allow you to view the footage with
your external IP address because the DVR is hooked up to the same
router. Try putting the DVR's internal IP address in the address bar and
try to connect
• See the network set up section for set up instructions
• If using a Port other than 80 add it to the end of the IP address
• Port Forwarding may not be set up correctly
• The external IP address of the DVR may have changed. Try setting
up the DDNS account to always be up to date with the latest IP
information
• The ISP may be blocking network traffic on Port 80. Try changing the
HTTP port to 2000 and re-configure the port forwarding
• Refer to the Network Setup Section of the manual for more
troubleshooting and for detailed instructions on how to set up the
DVR for remote viewing
• Make sure the batteries are installed correctly
• Make sure you are pointing the remote at the IR sensor (on the top
right side of DVR)
• Point the IR Remote at the camera lens and press a button. You should
be able to see the IR LED flicker through the DVR monitoring device
• Try replacing the batteries in the remote
• Make sure the mouse is connected to the proper USB port. The proper
port for the mouse is the top USB port on the back. It will be labelled
with a mouse icon next to it
• There could be video loss, HDD loss, motion detection or no HDD space
on your DVR. The SN301-8CH is set to alarm when those actions take
place. This is to alert you if anything is tampering with the camera
to DVR connections the alarm will go off. Check your connections and
keep the DVR in a safe place where it will not me tampered with or
moved around
• Disconnect and reconnect all camera connections to make sure they
are snug and tight fitting
• Make sure the DVR is properly connected to the router. There should
be green link indicator lights if the DVR is properly connected
• Make sure the DVR IP Allocation is set to DHCP. This is a standard
default setting that will work in most networking situations
• Power cycle the DVR is it is properly connected and the IP Allocation is
set to DHCP
• This is completely normal. If the hard drive is playing back footage or
recording, the light will blink to notify you that there is activity
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