The part(s) or condition(s) listed below for the symptom Microwave display not working are ordered from most likely to least likely to occur. Check or test each item, starting with the items at the top of the page.
If the display goes out partially, the display board is more commonly at fault. If the display isn’t working at all, either the main control board or the display board could be at fault.
If the display isn’t working at all, either the main control board or the display board could be at fault. If the display goes out partially, the display board is more commonly at fault.