32
Appendix
Normal Troubles and Remedies
Troubles Possible
Causes
Remedies
No action and images after
switching on
Power supply damaged of
insufficient electric power
Replace
Wrong connection of power supply
wires
Make correction
Engineering circuits failed
Re
paire
Abnormal self-inspection,
images with humming of
motor
Mechanic trouble
Repair
Pan/tilt may be inclining
Re-fix
Insufficient electric power
Replace with qualified power supply
Normal self-inspection, no
images
Wrong connection of VF circuit
Make correction
Bad contact of VF circuit
Remove
Camera damaged
Replace
Successful self-inspection
without control
Wrong connection of control signal
wires
Make correction
Mismatched address
Re-select
Mismatched protocol
Make mismatch of protocol and controller
and restart
Unstable images
Bad contact of VF circuit
Remove
Insufficient electric power
Replace
Dome pan/tilt out of control
Abnormal self-inspection
Restart
Bad contact of control circuit
Remove
Operation of main machine has
problem
Restart the main machine
Much load or communication
distance too far
1
.
Connect 120
Ω
resistor of the farthest
dome pan/tilt from the controller and
disconnect all other resistors;
Add coding divider
Auto/Manual of infrared lamp
ineffective
Infrared lamp may be damaged
Rework
Some common troubles and their causes and remedies are listed above for your reference. Should