1, Whether the refrigerator is power on？----Power on the refrigerator.
2, After the final press of any button, the display panel will be blank.-----
The display panel will illuminate when the door is opened or any button is pressed.
Generally, the refrigerator screen automatically extinguished after operation 3 minutes,
this is the refrigerator automatic black screen function, this function not only saves electricity,
but more can prolong the life of the display.
If the door is opened or you press the button, but the display panel is still blank. Please call service.