9. 2 Troubleshooting
Video after power up
1. The 24vAC power supply is Not connected to the
port of the Circuit connection board or the contact
is not good.
The municipal power has been cut off o r the
transformer is in malfunction.
2
、
1.
2.
3.
The dom e Dipswitch setting is incorrect.
RS485 m ay carve out a way
RS485 i s in malfunction.
Vague image
1.
2.
Manua l focus has been set.
Unclean down cover.
1.
2.
Operate dome and set the state of focus as auto
or call any preset.
Clean the down cover.
Possible causes
Trouble
Solution
1.
2.
Check the power su pply to see if it is connected
or confirm if the plug cont act well.
Check to see the municipal power supply has
been cut off. Check to see if the 24V AC
transformer is OK.
No action , no
1.
2.
3.
Rese t the D ip sw itch a s per the D ip swi tch se tting
char t.
Chec k RS 4 85 an d con firm t he connecti on is
corre ct and good in co ntact .
Pleas e con sult a ppend ix 9.6 RS48 5 Bus
ackn owled ge.
To obtain constant clear vid eos, user should clean the
down cover periodically.
Use so ft dry cloth or the substitute to clean the inner and
outer surfaces.
For hard contamination, use neutral detergent. Any cleanser
for high grade furniture is applicable.
●
Be caution when cleaning, Hold the down cover ring
only to avoid direct touch to the acrylic down cover.
The acid sweat mark of fingerprint will corrode the coating
of down cover and scratch on do wn cover will cause vague image.
●
●
9. 3 The cleaning of clear down cover
Self-testing and
image Are normal
but th e dome is
uncontrollable
37
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