26
7 Trouble Shooting
Troubles
Reason
Solution
No action
when power on
1. The power supply DC12V is not
connected correctly.
2. The fuse is broken.
1. Correct the connection.
2. Check the power supply is
connected, or confirms if
the plug connects well.
3. Replace the fuse.
Self-testing
and image are
normal but the
dome is out of
control
1. The dome DIP switch setting is
incorrect.
2. RS485 cable is disconnected or
reversed.
3. Incorrect RS485 cable wiring.
1. Reset the DIP Switch
according to the DIP switch
chart.
2. Check 485 bus controls.
3. Check the wiring.
4. Check the control device.
Some function
is out of
control
1. RS485 communication signal is not
balance.
2. Control protocol is not compatible.
3.RS485 is disturbed
1.Connect
120Ω
balance
resistance.
2. Reset protocol.
3.Eliminate the interference
sources
Unclear image
1. Focus is in manual state.
2. Extreme zoom magnification.
3. Dome cover is dirty.
1. Reset the focus mode to Auto.
2. Downsize zoom proportion
3. Clean the dome cover.
No night
vision
1. Camera is in Color state.
2. Backlight on the top or back of the
dome camera
1. Reset the day/night function
to Auto.
2.Remove the direct light
source.
Summary of Contents for CZ-531-12
Page 8: ...6 B Install the dome camera as shows 4 2 System Connection...
Page 36: ......
