No image and no action
when power is input
Check if the power cable is normal or misconnected
The image is not stable
Check if the video cable is properly connected
Check if the power supply is enough
Check if the dome cover or the lens is stained with dirt
The image is vague
The image has a lot of
noise
Check if there is strong interference source
surrounding the dome
Normal self-check
but no image
Remove the protective cover of the camera lens
Check if the video cable is properly connected
Normal self-check
but out of control
Check if the RS422 bus is properly connected
Check if the Dome ID, communication protocol setup
is right
Abnormal self-check
Not stable control
Check if the protective foam is removed
Check if the power meets the requirement.
The alarm output or
preset is not working
Check if the alarm device is working
Check if the alarm in/out cable is connected
Check if alarm input is enabled
Problem
Cause and Solution
Appendix A Troubleshooting
25
Summary of Contents for CD7622-TVI-IR
Page 31: ...450011000583 A0 ...
