XSD27ZS Operating Manual
17
Phenomenon
Possible Cause
Countermeasures
Normal self-inspection but no
image
Error video lines
Poor video line connection
Camera damage
Change it
Successful self-inspection but
out of control
Error connection of control
signal line
Correct it
Unmatched dome address
Too far distance and too large
delay of 485 signal
Wire diameter in twisted-pair or
thicker control line
Unstable image
Poor video line connection
Eliminate it
Insufficient power supply
Change it
If several domes are connected in
one line (central power supply),
AC24V power connector of dome
shall be connected according to the
same direction.
Correct it
Eliminate it
Select it again
Adjust the protocol or controller to
make it match and electrify again
Unmatched protocol or
communication Baud rate
The video picture on the
monitor rolls vertically in
switching process
Incorrect camera phase
position
Dome power 1
Dome power 2
Dome power 3
XSD27ZS - Operating Manual