How Do I Know If My Microwave Fuse Is Blown?

Where are the fuses in a microwave?

Fuses are located in many places inside the microwave, including the top, side, and behind the vent grille.

Using the wiring diagram can help you locate the appropriate fuse.

Once you have located the fuse, remove any necessary wires and fasteners to free it from the microwave..

What happens when a fuse blows in a microwave?

6.17) Fuse blows when closing or opening door This means that the main fuse in the microwave (or less commonly, the fuse or circuit breaker for the power outlet) pops when the microwave oven door is closed or opened. This may be erratic, occurring only 1 out of 10 times, for example.

Does my microwave have a fuse?

Thermal Fuse or Cut Out If your microwave oven won’t turn on, you may have a problem with the thermal cut-out. Microwave ovens use one or more thermal cut-outs, sometimes called thermal fuses, to protect the oven from overheating. They are located inside of the cabinet, often near the oven cavity or the magnetron.

Does a microwave have a reset button?

Most microwave ovens do not include a reset button. However, you can reset your microwave in one of two ways. The most common way of reseting your microwave is called a hard reset. A hard reset happens when you physically unplug the microwaves’ cord from the wall outlet.

How can you tell if a ceramic fuse is blown?

A homeowner can determine if a glass fuse in blown by performing a visual inspection and looking for a break in the thin wire and a brown discoloration in the center of the fuse. A ceramic fuse, however, shows no damage upon visual inspection. Testing a ceramic fuse is the only way to tell if the fuse has blown.

Is it worth it to repair microwave?

A replacement appliance costs about $100 and should work for at least seven to 10 years. If your microwave is relatively new and the repair costs less than replacing it, the fix is worth it. In general, the problems worth fixing include: No light when the door opens or while cooking.