Quadrox QGuard Installation Manual - Manual (Page 70)

GuardNVR Installation Manual 70
Version 4.4 Series
Browser returns
'connection refused'-like
message
•
Internet Explorer has a proxy server enabled in the
Internet Options, which blocks URLs like 'localhost'
o Remove the proxy server from the Internet
options: Tools > Internet Options > Connections > LAN
Settings.
A message pops up: “The
connection was actively
refused
by the
GuardNVR server.”
•
Your firewall blocks GuardNVR signals
o Check whether all firewalls (server and client
side) are correctly configured.
7.2.5 Camera problems
Problem Possible causes and resolutions
No or unstable images
•
Camera not properly connected
o Check the connections (network, coax cable)
o If the cable or connectors are damaged, replace
the cable.
o In case of analogue cameras, check whether the
cable is under voltage
•
Camera is turned off
o Connect the camera to a working power outlet
o Turn on the camera
The image is out of focus
or trembles
•
Lens is not properly adjusted
o Try to adjust the camera to show more a focused
picture.
•
Camera not properly connected
o See above for resolutions
For other problems, please check the documentation of the camera manufacturer.
7.2.6 GuardNVR software problems
Problem Possible causes and resolutions
The buttons of the web
application don’t work
•
Internet Explorer hangs up
o Close the browser and try again
•
GuardNVR server malfunctions
o Restart the server with the icons on the
GuardNVR desktop
o If the problem persists, reboot the GuardNVR
o If the problem persists, contact Quadrox support