User manual

40
APPENDIX III Trouble Shooting
Troubles Reason Solution
No action when power on
1. The power supply is not
connected correctly.
2. The fuse is broken.
1. Correct the connection.
2. Check the power supply LED
power indicator.
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. Control device is not
properly configured.
1. Confirm DIP settings on camera
power up screen.
2. Reset the DIP Switch according
to the DIP switch chart.
3. Check the wiring.
4. Check the control device settings
Some function is out of
control
1. RS485 communication
signal is not balance.
2. Control protocol is not
compatible.
1. Connect 120Ω resistor to the
RS485 line.
2. Change protocol type.
Unclear image 1. Focus is in manual state.
2. Digital Zoom is on and in
full ratio (If applicable)
3. Dome cover is dirty.
1. Reset the focus mode to Auto.
2. Cancel/reduce digital zoom.
3. Clean the dome cover.
No night vision
1. Camera is in Color mode.
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.