Appendix Iii Trouble Shooting - Provision ISR Z-22IR User Manual

APPENDIX III Trouble Shooting

Troubles
No action when power on
Self-testing and image are
normal but the dome is out
of control
Some function is out of
control
Unclear image
No night vision
Reason
1. The power supply is not
connected correctly.
2. The fuse is broken.
1. The dome DIP switch
setting is incorrect.
2. RS485 cable is
disconnected or reversed.
3. Control device is not
properly configured.
1. RS485 communication
signal is not balance.
2. Control protocol is not
compatible.
1. Focus is in manual state.
2. Digital Zoom is on and in
full ratio (If applicable)
3. Dome cover is dirty.
1. Camera is in Color mode.
2. backlight on the top or
back of the dome camera
40
Solution
1. Correct the connection.
2. Check the power supply LED
power indicator.
3. Replace the fuse.
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
1. Connect 120Ω resistor to the
RS485 line.
2. Change protocol type.
1. Reset the focus mode to Auto.
2. Cancel/reduce digital zoom.
3. Clean the dome cover.
1. Reset the day/night function to
Auto.
2. Remove the direct light source.