What are the common failures of outdoor advertising machine? FUNTEK provides you with a list of several common problem: 1.running black screen; 2. the remote control does not respond; 3.the display is not satisfied with the screen; 4. the display has an image but no sound; 5.the whole machine does not respond to the power; 6.Flowering screen; 7. dark screen.
Failure phenomenon and processing methods are as follows:
1.Outdoor advertising machine running black screen
Check whether the refrigeration system of the outdoor LCD advertising machine is in working condition and whether the internal temperature is too high. Outdoor LCD advertising machine refrigeration system has industrial fan direct ventilation and industrial air conditioning two forms of refrigeration, you need to check whether the air-cooled fan is running normally, or air conditioning has not run, running there is no refrigeration, and then take the corresponding repair or replacement.
2.The remote control can not operate
Check whether the remote control of the outdoor bright advertising machine is equipped with dry batteries, whether the remote control head is aligned with the remote sensor, whether the line from the remote sensor to the drive board is loose. If there is no problem, the remote control may be damaged or the driver board is damaged.
3.Outdoor advertising machine display screen has signal, but not full screen.
Use the remote control to press “menu”-“setting”-“adjust” so that the image can be adjusted semi-automatically.
4.Display screen image without sound
Check whether the video signal cable connection of the advertising machine is correct, whether the remote control operation has an image display, whether the signal source selection is correct, if the above are not a problem, it may be a bad driver board, replace the driver board module can be.
5.Outdoor LCD advertising machine does not power (black screen)
It may be a bad internal power supply or bad driver board inside the device. Troubleshooting method: check whether the power output is normal, if the power supply has no output, you can confirm that the power supply is faulty; if the power output is normal, it may be a defective driver board, replace the driver board.
6.Flowering screen
The surface of the display screen always appear in a certain area can not be displayed or display screen abnormalities are called splash screen. Troubleshooting: Check whether the signaling line inserted into the LCD screen is loose, resulting in poor contact. If so, insert and fix the signal cable and check whether the problem is solved. If it is not caused by this situation, it may be caused by a bad LCD screen.
7.Dark screen (screen no display, flashing screen)
Playing ads, the LCD screen has been in a black screen, dark screen, flashing screen, etc. is called dark screen. Troubleshooting: check whether the power output is normal, if the power output voltage is not stable, not up to 11V-12V, you can confirm that the power supply is faulty. If the power output is not normal, you need to replace the driver board and inverter one by one until the fault is eliminated.
