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6
FAQ
6.1 Daily Maintenance
Please clean dome cover regularly to get vivid image.
Handle the cover with care. Use water to wash. Don’t use cloth to clean.
Note:
The sweat from your hand may erode plating surface, your nail may scrape dome cover resulting in blur
image.
6.2 Problems and Solutions
SYMPTOM
CAUSE
SOLUTION
Red LED is not on.
z
Your power supplying does
not apply to the power. Or
connection is too loose.
z
Power off or transformer
problem.
z
Check power is connected or
properly earthed.
z
Check power supply condition
or check transformer.
1) No self-diagnosis,
no video signal
when I connect
dome to power.
Red LED light on the power
board is on
z
Power supplying is low
z
Something wrong with power
board.
z
Use multimeter to check
dome load.
z
Please contact retailer to
replace power board.
Power supplying is inadequate.
Replace power supplying.
2) No self diagnosis.
There is a noise
Mechanical malfunction.
Need electrical engineer help.
Circuit connection is too loose. Connect
tightly.
3)Video signal is not
successive
Video switch or power problem
Need electrical engineer help.
Focus is in manual mode.
Control manually.
4) Video is not clear.
Dome cover is dirty.
Wash dome cover
5) During camera
switch, there is a tilt
movement in the
monitor.
Camera power is not in the same
Phase.
When several domes are
connected to one transformer,
please connect the transformer
output cable to the domes’ same
side.
