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Microwave Oven Not Heating: Troubleshooting Tips for Repair


Microwave Oven Not Heating: Troubleshooting Tips for Repair
Are you experiencing this issue? No need to fret! We’ve got some troubleshooting tips that can help you resolve the problem. Microwaves are standard in most households, making reheating leftovers or cooking food quick and convenient. However, it can be quite a hassle when your microwave isn’t functioning correctly. Instead of buying a new one, consider trying some potential repairs to get your current microwave oven back in working order. Before you decide to replace it, attempt to troubleshoot and fix your microwave oven by following these tips.

Check the Power Source

The first step in troubleshooting a non-heating microwave is to ensure it’s receiving power correctly. Ensure that the microwave has a working socket and that the fuse or circuit breaker controlling the socket is not blown or tripped. If the power supply is fine, proceed to the next step.


Inspect the Door Interlocks and Safety Devices


Microwave ovens have safety interlock switches that prevent them from operating when the door opens. If the door or interlock switches are damaged, or out of place, your microwave may not heat. Carefully examine the door for visible defects or obstructions. Use a multimeter to test the interlock switches to confirm their proper functionality.


Examine the Magnetron


The component responsible for generating microwave energy is known as the magnetron. A common cause of microwave heating issues is a malfunctioning magnetron. You must remove the magnetron and discharge the high-voltage capacitor to inspect it. Look for any signs of burns, damage, or loose connections. If you discover any problems, replace the magnetron.
Examine the Magnetron


Check the Control Board

The control board in the microwave manages all its functions and settings. A malfunctioning control board can prevent the oven from heating properly. Look for visible signs of damage or burnt-out components on the board. If you suspect an issue, it’s advisable to consult a qualified technician or consider replacing the control board.

In Conclusion

When your microwave’s heating element fails, it can be frustrating. However, following our troubleshooting advice, you can identify and resolve the issue without replacing the entire appliance. Remember that microwaves contain high-voltage components, so if you’re uncomfortable handling electrical components, it’s best to seek Microwave Oven Repair Services from a professional. If you have troubles with your microwave, check our Thermador manual:


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Victor Rice
My dryer was giving me problems so I decided to give AnB Appliance Repair a try. They were friendly.  They were willing to work around my schedule.  They came within 24hrs.  They fixed my dryer within an hour. I will definitely call them again if I need another repair!.
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VERY responsive!  I called the guys on Thursday afternoon for a dishwasher issue and they came by the next day to diagnose the problem.  Turns out I needed a new motor, which the guys ordered, picked up on a Saturday morning, and installed right away.
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I had a hard time finding someone who would work on my stove be course it was quite old. The repairman arrived during the time they said he would, diagnosed the problem, and fixed it for a reasonable price. I will definitely use them again!
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