What to do if Kenmore 721. 67902 Microwave Oven doesn't work when plugged in first time?
- SStephen SmithAug 1, 2025
If your Kenmore Microwave Oven doesn't work properly when first plugged in, the microcomputer controlling it may be scrambled. To fix this, unplug the oven from the 120-volt household outlet, and then plug it back in. This will reset the microcomputer by resetting the clock.