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6
APPENDIX ǁ PROBLEMS AND SOLUTIONS
SYMPTOM
CAUSE
SOLUTION
1) No self-diagnosis,
no video signal
when I connect PTZ
to power.
Red LED is not on.
Your power supplying does
not apply to the power. Or
connection is too loose.
Power off or transformer
problem.
Check power is connected or
properly earthed.
Check power supply condition
or check transformer.
Red LED light on the power
board is on
Power supplying is low
Something wrong with power
board.
Use multimeter to check
dome load.
Please contact retailer to
replace power board.
2) No self diagnosis.
There is a noise
Power supplying is inadequate.
Replace power supplying.
Mechanical malfunction.
Need electrical engineer help.
3) Video signal loss
occurs in high speed
rotation.
Power supplying is not sufficient
Replace power supplying.
4)Video signal is not
successive
Circuit connection is too loose.
Connect tightly.
Video switch or power problem
Need electrical engineer help.
5) Video is not clear. Focus is in manual mode.
Control manually.
PTZ cover is dirty.
Wash PTZ cover
6) During PTZ
switch, there is a tilt
movement in the
monitor.
Camera power is not in the same
Phase.
When several PTZs are
connected to one transformer,
please connect the transformer
output cable to the domes’ same
side.
7) The PTZ keeps
rotating and it is out
of control
The supply voltage is too low or
the power is insufficient.
Use multimeter to check the PTZ
voltage and current, if it is too low,
then it needs to improve supply
voltage till the device runs
normally.
Note
This manual is for reference only. Slight difference may be found in the user
interface.
All the designs and software here are subject to change without prior written
notice.
All trademarks and registered trademarks are the properties of their respective
If there is any uncertainty or controversy, please refer to the final explanation of us.
Please visit our website or contact your local service engineer for more
information.
