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Microwave Troubleshooting

Batul Nafisa Baxamusa Nov 26, 2018
Looking for some simple microwave troubleshooting tips? Here are a few simple methods that will help answer your questions on how to troubleshoot a microwave's problems.
Almost all homes today own a microwave oven. Microwaves are as common as refrigerators in kitchen's today. But, just like every electronic product, microwaves too face some glitches while working. Also many times, the problems are just too minor and you can troubleshoot them all by yourself.
If you too are like me, do-it-yourself kind of person, who would rather try to find the cause of the problem at home before calling the repair man over, then the given troubleshooting tips will be helpful.
If you know some simple microwave troubleshooting tips, you will not only save a lot of time and energy visiting the repair shop to find the problem, but also your greens.

How to Troubleshoot a Microwave?

Many times one faces some trouble with their microwave working. These glitches are rather simple and you can troubleshoot the microwave repair yourself. But before you try troubleshooting, make sure you follow the given microwave oven safety guidelines by the book.
Microwave oven is an electric appliance and can lead to serious electric shocks when handled without care. You should make sure the appliance is unplugged. Do not touch the wiring or any other components till the high voltage capacitor is discharged.

Common Microwave Problem Troubleshooting

If you find your microwave is not working at all, make sure it was plugged in properly and the outlet is functional. Also, check the fuses and the door switch. If you find, the internal fuse or the thermal fuse of your microwave is blown, then replace the fuse if it is accessible.
Or else call the repairman for help. Also, if the door hooks and door release button is broken, the microwave won't work.
When you find the microwave while cooking sounds all right, but it is not heating the dish inside. This means that one of the door switches, high voltage circuitry, the circuit board may have some glitches. This kind of problem requires you to call for professional help.
The next common problem is that the power level cannot be adjusted. This means there is a defective triac or something is wrong with the circuit board. This requires a professional electrician to repair the circuit board. The next microwave repair problem is the carousel that won't turn.
A small motor is one that causes the carousel to move. You need to open the microwave cabinet to be able to repair it. You should inspect the plastic drive coupling on which you place your tray and the ring and roller assembly. Be sure they are working properly. If you find there is some problem with the motor, call a technician to help you out.
Flickering of the display is a minor problem that won't affect the microwave functioning in any way. However, if you find that the flickering is coinciding with the cooking problems, you should pursue microwave troubleshooting.
Check if there is insect infestation like cockroaches under the touch pad or readout window. They love the warm circuit board and make home underneath it. Also, If the touch pad is wet, it will take several days to dry and will have problems working. Open the microwave cabinet, and check for insects. If you are not sure of the problem, call the serviceman.
If the microwave buzzes loudly and does not heat, it means you have a defective power diode, high voltage capacitor or magnetron. This needs professional assistance for microwave repair. If your microwave stops working after you slam the door, it means the fuse may have got blown. If it stops working, then call the repairman over.
These were just a few common microwave repair problems that one comes across while using the appliance. If you know how to troubleshoot a microwave, it will help save your money on trying to find what is wrong with it. You ultimately have to visit a qualified and certified service shop for microwave repair.