1, check the soybean milk machine failure phenomenon, soybean milk machine panel failure may be just a few buttons out of order, if they will do it, the head of the soybean milk machine removed, the small control board removed, which a button is not good on which to check. 2, the soybean milk machine computer version of the water and moisture caused by the chip program chaotic computer board local short-circuit will also have the phenomenon of the key malfunctioning, with the dryer blowing the computer board and water inside the machine, or with a few drops of alcohol, more press a few times. 3, the lamp board moisture caused by rust inside the keys or rust. The computer board and the water inside the machine, or a few drops of alcohol, more than a few presses, can not only replace the computer board. 3, the soybean milk machine lamp board moisture led to rust or oxidation inside the button, it is necessary to replace the button or lamp board. 4, the button does not work and the indicator is not bright, please check whether the lamp board data line and the computer board is not connected to a good place to plug in.