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AXIS 2420 User’s Manual Troubleshooting
49
The Network indicator
displays red.
Faulty cabling. 1. To verify that the cable is functional, connect the cable to a
known functioning device on the network and PING it from your
workstation.
2. If the cabling is OK and your network is reachable, you should
receive a reply similar to this:
Reply from <IP address>: bytes = 32; time
= 10 ms.....
The Active and Network
indicators are flashing every
0.5 seconds.
Hardware failure. Contact your Axis dealer.
Your AXIS 2420 works
locally, but not externally.
Firewall protection. Check the Internet firewall with your network administrator.
Default routers required. Check if you need to configure the default router settings.
The Internet site is too
heavily loaded.
Configure the AXIS 2420 to upload your video images to an FTP
server or an ISP.
No image using Refresh
and/or
Slow updating of
images.
Multiple clients attempting
to access the images, or
complex images, i.e.
containing a lot of contrast.
Try limiting the number of clients, or configure the AXIS 2420 to
upload your video images to an FTP server or an ISP. Adjust the
image settings to produce smaller files.
Cannot access the connected
modem.
Faulty cabling. Check power supply, power cable and serial connection.
A series of broad vertical
white lines appears across
the image.
The CCD sensor becomes
overloaded when the light is
too bright. This can happen
e.g. with sunlight reflections.
If you are using the camera in strong light conditions, check that
you are using a DC-Iris lens, and that the settings for the lens are
correct, i.e. in the Image-Advanced settings, the exposure control
should be set to DC-Iris.
Note: damage caused to the AXIS 2420 through overexposure to
direct sunlight or halogen light is not covered under the product
warranty.
Bad focus. The focus has not been
correctly adjusted.
Referring to the on-line help, adjust the White Balance setting and
then try resetting the camera focus again using the Focus
Assistant, as described in Lenses and Advanced Focusing, on page
54.
No adaptor fitted with your
C-type lens.
Fit the required adaptor. See page 54.
Noisy images. Images may be noisy if you
are using the AXIS 2420 in
an environment with very
low lighting.
To solve this problem, you need more light. The performance of the
camera is best in 100 - 3.000 lux. Consider using a more sensitive
lens (Lower F-number) if the lighting conditions within the
installation area cannot be improved.
Symptoms Possible causes Remedial actions
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