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VIII. Normal Troubles and Remedies
Troubles
No action and images after
switching on
Abnormal self-inspection,
images with humming of
motor
Normal self-inspection, no
images
Successful self-inspection
without control
Unstable images
Dome pan/tilt out of
control
Auto/Manual of infrared
lamp ineffective
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.
Possible Causes
Power supply
damaged of
insufficient electric
power
Wrong connection of
power supply wires
Engineering circuits
failed
Mechanic trouble
Pan/tilt may be
inclining
Insufficient electric
power
Wrong connection of
VF circuit
Bad contact of VF
circuit
Camera damaged
Wrong connection of
control signal wires
Mismatched address
Mismatched protocol
Bad contact of VF
circuit
Insufficient electric
power
Abnormal
self-inspection
Bad contact of control
circuit
Operation of main
machine has problem
Much load or
communication
distance too far
Infrared lamp may be
damaged
１５
Remedies
Replace
Make correction
Remove
Repair
Re-fix
Replace with qualified power supply
Make correction
Remove
Replace
Make correction
Re-select
Make mismatch of protocol and
controller and restart
Remove
Replace
Restart
Remove
Restart the main machine
1． Connect 120Ω resistor of the
farthest dome pan/tilt from the
controller and disconnect all
other resistors;
2． Add coding divider
Rework
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