O p e r a t i o n M a n u a l o f M i n i D o m e C a m e r a
Chapter Four Trouble Shooting
Problems
Possible Causes
Solutions
After power on, no motion and
no image.
Power supply damage or low
power
Replace
Wrong power cable wiring
Correct
Engineering wiring fault
Detect
Abnormal self detect, normal
image with motor sound
Mechanical fault
Repair
Tilted camera
Reposition in the right way
Lower power supply
Replace with appropriate power
supply and optimally place the power
supply near the dome device
Normal self detect, but no image
Wrong video wiring
Correct
Bad contact of video cable
Detect
Camera damage
Replace
Self detect success, but out of
control
Wrong wiring of control signal
cable
Correct
Unmatched dome device address
Select again
Unmatched protocol
Adjust protocol to match the control
system and power on again
Unstable image
Bad contact of video cable
Detect
Low power supply
Replace
Dome device out of control
Abnormal self detect
Power on again
Bad contact of control cable
Detect
Wrong with main device
operation
Power on the main device again
Overload
or too
long
communication distance
1
.
Confirm terminal impedance
2
.
Raise the distributor
Vague image
Focusing is not at the best
position
Open the dome and readjust
13