SVEX-W125-3 (Ex) Explosion proof PTZ Camera Manual
Book
Ver: 2.3
20
5. FLAMEPROOF STRUCTURE
„
Completely consider the explosive air getting into ex-proof structure, which may lead to explosion
because of some reason and to confirm and ensure camera explosion proof performance based on its
structure gap, length and max temperature it will get to.
„
Enclosure shall burden water pressure testing for 1.5Mpa for 10~12 seconds without leakage as pass,
which is ordered in GB3836.2-2000.
„
Camera surface temperature max shall not over 80
℃
while it is working.
„
Window glass adopts steel glass to burden Impact and Heat change testing.
„
Enclosure protection to IP66
„
Cable for Camera uses inlaid device to tighten its screw and nut and make cable tight and no move.
6. TROUBLE SHOOTING
P14. Trouble shooting
Problems
Reason
Method
No image
Power off
Make sure the power is ok
Video cable not
good connection
Check the Video Cable
Sometime no image
Video cable not
good connection
Check the Video Cable
Control error
Not good connection
of Signal cable
Check Signal Cable is correct connection
Too long communication
distance make signal
loose
Add repeaters to make communication
distance longer
Signal reflect
Short connect the farthest camera decoder
board
‟120 and add 120Ω resistance to remove
reflect
Not correct Address
To re-set refer to Manual book
Not correct Protocol
Not correct Baud rate
Wash system error
No enough pressure in the
water tank
Use air pump to add pressure
Block on the water filling
hole is loose
Screw down the block with tools to assure airproof
The
gas leaks
from
pressure
enhancement
outlet
Repair or change the valve core of pressure
enhancement outlet
The gas leaks from water
spraying outlet
Repair or change the valve core of water spraying
outlet
Water spraying outlet stop
up
Clean out water spraying outlet
Water pipe craze
Change the water pipe
Water tank craze
Send it back to factory to repair