What do I do if my microwave fuse is blown?

How to Replace a Blown Fuse

1. Disconnect the microwave from the power source.
2. Remove the relevant access panel.
3. Unscrew or unclip the fuse and remove it from the microwave.
4. Test the fuse with a multimeter for continuity.
5. If defective, replace the fuse with a new one that matches the fuse you removed.

Where is the microwave fuse located?

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.

How do you know if your microwave fuse is blown?

To check a ceramic fuse, use an ohmmeter or continuity tester. With an ohmmeter or multimeter, you should see a reading close to zero ohms if the fuse is intact, or infinite if it’s blown. If a continuity tester indicates continuity when you touch its lead to the ends of the fuse, it’s good.

Is it safe to replace microwave fuse?

Replacing a microwave fuse can cause serious injury or death if it isn’t done properly, so don’t attempt it if you aren’t experienced in electrical repair. If you do decide to attempt this, make sure you unplug the microwave first and put on insulated gloves to protect yourself.

How much is a fuse for a microwave?

Fuse replacements for a microwave cost between $50 and $100 on average. This is one of the cheapest and simplest microwave repair jobs. Many appliances have fuses, and over time, it is natural for fuses to wear out or blow. Replacing a blown fuse with a new one should take less than half an hour for most microwaves.

What causes a microwave to keep blowing a fuse?

If a microwave fuse keeps blowing, it may be because the fuse is not being installed correctly or that the wrong type of fuse is being installed. Microwave parts like door switches or the magnetron, if defective or wrongly installed, will also cause microwave fuses to continuously blow.

How much does a microwave fuse cost?

Microwave Fuse Replacement Cost Fuse replacements for a microwave cost between $50 and $100 on average. This is one of the cheapest and simplest microwave repair jobs. Many appliances have fuses, and over time, it is natural for fuses to wear out or blow.

What causes a microwave to suddenly stop working?

The most common cause for a microwave oven not working at all is a blown main fuse. The microwave main fuse will cut the flow of electricity if too much current passes through it. There can also be thermal fuses, cavity fuses, and thermoprotectors which will interrupt the electrical flow if the microwave overheats.

Are microwaves worth repairing?

If your microwave is relatively new and the repair costs less than replacing it, the fix is worth it. In general, the microwave problems worth fixing include these: Interior light malfunction. Door switch problems.

Can I bypass a microwave fuse?

A thermostat fuse is designed to protect your microwave from overheating. If your thermal fuse has been activated by your microwave overheating, your microwave will stop working. Never bypass your microwave oven’s fuse!

Is it worth fixing a microwave?

How do you replace a fuse in a microwave?

In replacing a Sharp microwave fuse, the appliance must be unplugged and the back cover removed using a screwdriver. The fuse is a small glass cylinder capped with metal on either end; once it is disconnected from the wires holding it in place, it can be replaced.

How is a fuse on a microwave replaced?

First, locate the microwave fuse, which is usually an inch or two long and made of ceramic or glass. Once it is located, a microwave fuse can be replaced by removing the microwave’s outer cabinet and putting a new fuse in place, according to Part Select.

How do I replace fuse?

How to replace a fuse wire. Buy a fuse wire that meets the correct amp rating. Loosen the terminal screws and remove the old and broken wire. Cut the new fuse wire so that it is long enough to wrap around both terminal screws and cross the fuse carrier. In a clockwise direction, wind the wire around one terminal screw.

How do you replace a thermal fuse?

To replace a thermal fuse unplug the dryer, remove the exhaust hose, remove the dryer’s back panel, disconnect the wires and screws holding the old fuse in place, and then install the new fuse. Screw the fuse into place, connect the appropriate wires, and reassemble the dryer.