- 68 -
VIII. Simple Trouble Shooting Table
Problems
Possible causes
Remedies
No
action,
no
picture, no indicator
on when power is
switched on.
Wrong connection of power cables
Correct
Power supply adaptor damaged
Replace
Fuse damaged
Replace
Bad power cable connection
Correct
Normal self-check
and image but
out of control
Address or Baud rate configuration
wrong
Configure again
Protocol configuration wrong
Configure again
RS485 bus bad connection
Check RS485 bus connection
Abnormal
self-check
image
with motor noise
Mechanical failure
Repair
Camera inclined
Reinstall
Power supply not sufficient
Replace, better to place the
adaptor nearby the IR High
Speed Dome Camera
Unstable image
Bad connection of video cable
Correct
Power supply not sufficient
Replace
Fuzzy image
At Manual focus state
Operate the IR High Speed
Dome Camera or invoke any
preset positions
Vitreous cover dirty
Clean the vitreous cover
Some
IR
High
Speed
Dome
Camera
out
of
control or control
delayed
Power supply not sufficient
Replace, better to place the
adaptor nearby the IR High
Speed Dome Camera
Whether
matching
resistor
is
installed in the IR High Speed Dome
Camera at the farthest end
Install matching resistor in the IR
High Speed Dome Camera