1.Check the power is connected, the supply voltage meets the requirements (power error: DC12V +10% AC24V +5%);
2.BNC head or video cable is in good contact;
3.Lens auto iris is open;
4.Video or DC-driven automatic iris lens control line is short to ground;
5. Check whether video leakage led to CCD board machine video all the way to burn out;
Chongqing Xiuge Intelligent Technology Co., Ltd
Address: No.76, Guangyu building 15-1, North Jianxin Road, Chongqing, China.
Tel: 135-9409-4356(Cathy) 173-5322-8127(Sophie)
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