COP-USA CD55NV-HD22 - Manual (Page 32)

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Gain Control Auto/ Manual
S/N ≥50dB
Video output 1.0±0.2Vp-p
. Troubleshooting
Problems Possible Causes Remedies
No action when power
is switched on
Power supply fault Replace
Bad connection of the power Correct
Transformer damaged Replace
Abnormal self-check.
Images with motor
noise
Mechanical failure Repair
Camera inclined Reinstall
Power supply not enough Replace
Normal self-check but
no images
Video signal fault Reinstall
Bad connection of the video Press to connect well
Camera damaged Replace
Normal self-check but
out of control
RS485 bus bad connection Check the RS485 connection
Dome ID setup is wrong Reselect
Protocol setup is wrong Reset and Switch ON again
Vague image
Bad connection of the video Press to connect well
Power supply not enough Replace
Dome camera out of
control
Self check error Switch ON again
Bad connection of control Press to connect well
Bad control of matrix Switch ON again
Excessive load, the distance
too far
Connect 120-ohm
re-sistors which is far
away from the remote
controller and the rest
of the opening status ,
increasing
code
Dis-tributor