COP-USA CD56NV-IR - Manual (Page 17)

VIII. Normal Troubles and Remedies
Troubles Possible Causes Remedies
Power supply
damaged of
insufficient electric
power
Replace
Wrong connection of
power supply wires
Make correction
No action and images after
switching on
Engineering circuits
failed
Remove
Mechanic trouble Repair
Pan/tilt may be
inclining
Re-fix
Abnormal self-inspection,
images with humming of
motor
Insufficient electric
power
Replace with qualified power supply
Wrong connection of
VF circuit
Make correction
Bad contact of VF
circuit
Remove
Normal self-inspection, no
images
Camera damaged Replace
Wrong connection of
control signal wires
Make correction
Mismatched address Re-select
Successful self-inspection
without control
Mismatched protocol Make mismatch of protocol and
controller and restart
Bad contact of VF
circuit
Remove
Unstable images
Insufficient electric
power
Replace
Abnormal
self-inspection
Restart
Bad contact of control
circuit
Remove
Operation of main
machine has problem
Restart the main machine Dome pan/tilt out of
control
Much load or
communication
distance too far
1． Connect 120Ω resistor of the
farthest dome pan/tilt from the
controller and disconnect all
other resistors;
2． 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 you meet
other special problem, you can contact with the dealer directly for technical support.
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