What are the maintenance skills of HD cameras?

HD ball machine common troubleshooting method 1: the ball machine is energized without action, no image, the indicator light is not bright
Check if the power cord is connected incorrectly. If you make a mistake, connect the power cord in the correct way.
Check if the power supply is damaged. If the power supply is damaged, replace it with a power supply that is not damaged.
Inspect the fuse for damage. If it is damaged, replace it with a fuse that is not damaged.
Check if the power cord is not in good contact. If the contact is poor, reconnect the power cord or replace the power cord.
HD ball machine common troubleshooting method 2: power has self-test, there are images, can not be controlled
Check the address code of the dome camera, if the baud rate setting is incorrect, if there is any error, please set the matching address code and baud rate.
Check if the protocol settings are correct. If there are any errors, please set the corresponding agreement.
Check if the RS485 control cable is connected correctly. If it is wrong, please connect it in the correct way.
HD ball machine common troubleshooting method 3: self-test can not be carried out, there are images but accompanied by noise
To check if the machine is malfunctioning, please correct the internal mechanical structure of the dome camera. If the camera is tilted, please correct it.
The power supply may not be enough. Please replace the power supply that meets the requirements. Place the switching power supply near the dome.
HD ball machine common troubleshooting method four: image instability
Replace the qualified video cable and check if the video cable is not in good contact.
The power supply may not be enough. Please replace the power supply that meets the requirements. Place the switching power supply near the dome.
HD ball machine common troubleshooting method five: blurred picture
It is possible to focus on the manual state, control the dome or call the Renyi preset, and the dome can resume autofocus.
The transparent cover is dirty and the transparent cover is cleaned.

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