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image but out of control
Protocol configuration wrong
Configure again
RS485 bus bad connection
Check RS485 bus connection
Abnormal self-check image
with motor noise
Mechanical failure
Repair
Camera Module inclined
Reinstall
Power supply not enough
Replace, better to place the
adaptor nearby the IR Low-speed
Dome Camera
Unstable image
Bad connection of video cable
Correct
Power supply not enough
Replace
Fuzzy image
At Manual focus state
Operate the IR Low-speed Dome
Camera or invoke any preset
positions
Vitreous cover dirty
Clean the vitreous cover
Some IR Low-speed Dome
Camera out of control or
control delayed
Power supply not enough
Replace, better to place the
adaptor nearby the unit
Whether matching resistor is in the IR
Low-speed Dome Camera at the farthest
end
Install matching resistor in the IR
Low-speed Dome Camera
The distance is too far, the attenuation of
the signal on RS485 is too much
Replace the controlling cable with
thicker one
The driving power of the 485 converter is
not enough
Replace with converter that has
separate power supply
