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Common Causes of Microwaves Not Turning On

Microwaves are one of the most important appliances in our modern kitchens. They allow us to cook and reheat food quickly and easily. But, like any electrical appliance, there are some problems with microwaves. If you’ve ever pressed your microwave’s start button only to find that it won’t turn on, you’re not alone. In today’s blog, we’ll look at some of the most common problems with microwaves and how to troubleshoot them and maybe even fix them. If your appliance stops working you can count on us. 

Power Supply Problems microwave not working

  • Power supply issues are a common reason why a microwave won’t turn on.
  • A blown fuse or a tripped circuit breaker can cause the issue.

Faulty Door Interlock Switch

Microwaves have door interlock switches that prevent them from operating when the door is open. If faulty, the microwave may not turn on. Inspect and test the interlock switch for continuity.

Microwave control panel affects cooking time and power level. Malfunctioning keypad, damaged control board, or loose connection can prevent turning on. Replace faulty component or seek professional repair.

Overheating and Thermal Fuse

Microwaves can overheat without proper ventilation. A thermal fuse can cut off power if the appliance gets too hot. If it suddenly turns off during use, it’s essential to replace the fuse.

Magnetron Failure

The magnetron is the component responsible for generating microwave radiation that heats the food. If the magnetron is faulty, the microwave may not turn on. Replacing a magnetron can be a complex task, and it’s typically best left to professionals. Has your microwave stopped working? Book a repair with us now 


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