Questions and Methods for CCTV Camera

This article is about frequently asked questions and methods for CCTV camera. If your CCTV cameras have some problems, you can read this article and get your answers and solve your trouble.

Faults	Reasons	Solutions
No Image and operation when power is on	Powerline is connecting wrong when use DC power supply	change it
	Power supply is damaged	change it
	Power supply wiring is bad contact	get a new one
Can not controll the PTZ when the power is on	Baud rate is not conformity between the PTZ and Keyboard	change it
	Address coding of PTZ is not conformity	Reset the address coding
	RS-485 open circuit	Check the RS 485 connecting line
	RS-485 Bad Contact	Check the RS 485 connecting line
	One RS-485 cable is break	Check the RS 485 connecting line
	RS485 cable connecting reversely	make it correct and in good condition
Image Judder	Video line is bad contact	recheck it
	Power consumption is not enough	change it
Can not work it outside	Power consumption is not enough when the ptz is operating by heat in cold area	measuring the voltage
	The zoom modules is broken	replace a new one
	Temperature exceed the rated range	change it
Control the ptz but no image	Video port is bad contact or broken	replace a new one
	Supply Voltage is not enough	change the suitable power supply
	movement is bad contact and damaged	replace it
Movement is fogging	Inside fan is broken	repalce it
	inside heater is broken	replace a new one
	Installation transparent cover, but not installed seal well	recheck it