Filter
Top Products
30
7. Trouble Shooting
Problem
Description
Possible Reason
Troubleshooting
Remarks
Cable harness is improperly
connected or no AC power
Verify that the orientation of the
connector and the power supply input
Power PCB inside the dome is
faulted.
Change the power PCB
Slip ring power wires
disconnected or damaged
Verify connector or Change slip ring
1
After power is
applied, there is no
motion (self test)
and no video image.
Fault of main control board Change main control board
Please follow the supplied
basic system wiring
instructions to assure proper
operation of dome device.
OSD Character function is turned
Off
Turn On the OSD display according to
the instructions in the manual
2
After power on, the
dome device
initiates self test but
no video image or
on screen characters
displayed
Incorrect Video connection
between camera and control board
or cable harness is damaged
Replace the FFC ribbon cable (spare
supplied) or the camera module
Video will be displayed on the
monitor automatically after 45
seconds from power On
Incorrect command sequence Enter 90 + SHOT + ACK to display
3
After self-test of the
dome device, OSD
menu is not
displayed
Fault of OSD control board Replace OSD board
After self-test, the menu can
be displayed only when there
is Video image on the monitor
Interference caused by external
electronic signals (noise) or the
camera video format is set
incorrectly (NTSC/PAL)
Ground the dome device or identify
and reduce the external interference
(electric motors, HF, high power
fluorescent lamps) or reposition the
camera to a different location
4
Distorted Characters
or video image
Internal System Error Power cycle the dome.
You should use properly
shielded video cables.
5
After power On, no
self-test and motor
is locked
Obstruction of the motor controls
or incorrect cable connection
Verify that there are no obstructions
and that the cable is connected
correctly. If this does not solve the
issue return the unit for service.
Follow installation
instructions
OSD board is not properly
connected with main control
board.
Secure OSD board against the main
control board. If the problem still
exists, then replace the OSD board.
6
Cannot stop pan
rotation (rotate and
stop alternatively)
Pan interrupt switch is not
properly aligned or photoelectric
switch is broken
Adjust the tab to be aligned with the
photo electric switch or replace the
switch assembly.
Rotational tab should be
aligned in the center of the
photoelectric switch (slot) for
proper operation.