Control panel service — digital microwave has control panel for time/power control. If buttons unresponsive or display dead, control board issue.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Control panel not responding — ranked from most to least common.
Damaged touch membrane (top layer)
Burnt control board from voltage spike
Burnt display LED
Loose ribbon cable between panel and board
Insect or moisture in control board
Voltage spike burnt capacitors on board
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.