PROFESSIONAL
SuRvEILLANcE SYSTEM
Problem
Possible Cause
suggested remedy
Camera has no power or not
powering up
Power supply is loose or
unplugged, no power at
socket outlet/power point
Check all cables and power
supply connection.
Check power at socket outlet/
power point.
No picture
Signal interference
Relocate camera and DVR,
away from sun, rain, radio
transmitting devices, heat
sources, metal objects or
major obstacles.
No power at camera or no
power at socket outlet/power
point
Check all cables and power
supply connection.
Check power at socket outlet/
power point.
Poor image quality
Signal interference
Relocate camera, away from
sun, rain, radio transmitting
devices, heat sources, metal
objects or major obstacles.
Pictures have flowing
interference ripples
Unstable AC power supply
or interference from other
nearby electronic equipment
Check power at socket outlet/
power point.
Check all cables and power
supply connection.
Relocate camera and/or DVR.
Picture background colour
changes continuously
Interference from
nearby fluorescent lamp
electromagnetic field
Relocate camera, or increase
the distance between the
camera and fluorescent lamp.
Frozen white screen
Interference from other
nearby electronic equipment
Disconnect power to camera,
then reconnect.
Relocate camera and/or DVR.
When ir night vision is
activated, screen only
displays white
Infra-red LED light is reflected
off from glass or reflective ob-
jects that causing white light
Relocate camera away from
windows, reflective and glass
objects, or remove obstacles.
When ir night vision is
activated, screen only
displays black and white
Infra-red LED light is activated This is normal, no action
required.
6
TROUBLESHOOTING GUIDE
PROFESSIONAL
SuRvEILLANcE SYSTEM
5
VANDAL PROOF WIDE ANGLE
DOME
cAMERA
SC106
