Microwaves have become an important appliance in many people’s kitchens, and when they stop working, it can be very annoying and time-consuming, as you have to use another cooking method that takes a lot longer.
If your microwave has stopped working, it could be that one or multiple components within your microwave are faulty and need to be fixed.
Before you can fix your microwave, you first have to find out what is causing the problem. Simply follow our guide below and check each possible cause/component, and you should be able to get your microwave working again.
If your microwave won’t turn on at all, then you need to check the power source. If your microwave does have power but isn’t working, then move straight to the next component.
Here’s how to check the power source:
The next component in your microwave to check is the turntable. The turntable is what rotates when your microwave is working.
Here’s how to check the turntable:
Sometimes your microwave will display certain codes on the display screen (if you have one), and this will stop your microwave from working. To fix your microwave, you need to remove the codes.
Here’s what to do:
If you still haven’t found the cause of your microwave not working, then you will need to check the internal components.
I need to make clear that working on microwaves is extremely hazardous because they store thousands of volts of electricity in their capacitors even after you have unplugged them, so there is a high risk of electric shocks occurring. If you don’t have the correct training, you should call your local technician.
If you have the correct training, then the first component to check is the line fuse. The line fuse can cause your microwave to stop working when too much current passes through the circuit in your microwave, causing the fuse to blow.
To check the line fuse:
If you still haven’t found the source of the problem, the next component to check is the thermal fuse. The purpose of the thermal fuse is to cut the power off to the microwave when it overheats. When this happens, your microwave will stop working.
Here’s how to test the thermal fuse:
The next component to check is the thermoprotector. The purpose of the thermoprotector is to cut off voltage to the microwave when it overheats. When this happens, your microwave will stop working.
Here’s how to check the thermoprotector:
The final component that could be faulty is the main control board. the main control board doesn’t become completely defective very often, but it can happen sometimes. The problem is it’s almost impossible to test, so if you’ve tried everything else and still haven’t fixed your microwave, you should consider replacing the main control board. However, it might be a better idea (and cheaper) at this point to just buy a new microwave.
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