7.Troubleshooting
Built-in Self Test
When powered up, the speed dome will automatically begin a self
-diagnostic process during which the camera will pan horizontally and
vertically to make sure PTZ, lens and other parts of the camera are
functional. Please contact our technical staff if a self-test does not
happen on your unit. Please refrain from disassembling the unit before
contacting us.
Video disconnection
Camera powers off automatically
Flashing/ickering screen
1. Bad BNC cable: replace to a new BNC cable or try
to tighten the connection
2. Underpower
1. Underpower
2. Adapter defects; test with another adapter to con-
-rm and ask Sunba to send a replacement adapter
Underpower
Reason & Solution
Camera reboots at night
Underpower
Camera spinning automatically
Underpower
PTZ not working properly
B/W display
Red lights on but no power
1.Bad RS485 cable: try another twister pair or
change to another Ethernet cable or try tighten-
-ing the connector;
2.RS485 in wrong polarity: switching the order of
the pair to ensure it matches the +/- of the RS485
ports;
3.Loosen belt during transportation: tighten the tilt
and pan belt (ask Sunba for instruction);
4.Make sure the RS485 connector is functional;
5.See the “Address Setting” Chapter to ensure the
camera has correct corresponding address set in
Main Menu->PTZ Cong of the DVR.
Check ptz.sunba.net for more details.
The signal of camera and DVR are not consistent
(both needs to be PAL or NTSC); this may happen
after a reset.
Defective power adapter; test with another adapter
to conrm and ask Sunba to send a replacement
adapter.
Symptom Reason & Solution
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