Over the range Panasonic microwave oven not turning on? This is a typical issue with any microwave oven. It looks like when you turn on the microwave oven it trips the breaker. What can cause a microwave oven to stop working like that? The answer is door switch in over the range microwave oven trips the breaker. Now whatever you do over the range microwave oven is not turning on. The only solution is to replace the door switch in over the range microwave oven. You would be wondering why it happens. Most likely the door switch burned out over time. How to avoid this issue? Be gentle with the microwave oven door.