Troubleshooting - EverFocus EPA6220 User Manual

B.

Troubleshooting

Issue
After power is
applied, there is no
motion (self-test) and
no video image
Self-test is normal,
but cannot control
dome
Noise after
self-testing
Image is not stable
Image is blurring
Control to the dome
is not smooth
Possible Reason
Cable harness is improperly
connected
Input power voltage is too low
Power supply is not working
Wrong communication settings
Improper connection of control
cable (polarity)
Mechanical obstruction
Camera module is not installed
correctly
Low power
Low power
Video cable is improperly
contacted
Camera is on manual focus
The lens is dusted
Power is too low
Communication distance is too far
RS485 cable is not properly
connected
Too many domes connected
Solution
Verify that the orientation of the connector
input
Verify the voltage of the input power
Change a new power supply
Set the correct protocol, baud rate and
address of dome
Verify the polarity of the RS485 connection as
per the instruction manual
Verify and correct it
Check the module installation
Change the correct power supply
Check the power supply or make sure the
power input
Verify the contact of the video cable
Change to auto focus
Clean the lens
Change the DC 12V Power supply
Make sure the distance is in the allowed
range
Make sure the RS485 is properly connected
Make sure the quantity of the connected
domes are allowed
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EPA6220 / EPA6236