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  1. Repair
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Frigidaire microwave door not closing

Common reasons your Frigidaire microwave door is not closing

The most common reasons your Frigidaire microwave door is not closing are a bent door hinge, broken switch or an inoperative power supply board.

  • 56%

    56% of the time it's the
    Door Hinge

  • 13%

    13% of the time it's the

  • 7%

    7% of the time it's the
    Power Supply Board

  • 24%

    24% of the time it's the
    Something else

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    Most common repairs needed to fix a Frigidaire microwave

    Door Hinge Replacement

    When a microwave door hinge is bent or if it breaks, the door won’t close properly and the microwave likely won’t start. Operating the microwave with a bent or damaged door hinge is dangerous. Radiation can leak through the door when it isn’t closed or aligned properly. A Sears Home Services professional should examine and repair the microwave anytime a door hinge or the door itself is damaged. The technician will need to check for radiation leakage after the repair.

    Switch Replacement

    A broken switch in a microwave will cause a variety of issues, mainly with power to the components of the microwave. Microwaves have several internal thermal switches and interlock switches that protect you when components inside the microwave fail. Door interlock switches prevent the microwave from running when the door is open so you aren’t exposed to harmful radiation. Many microwaves have a magnetron thermal switch that trips when it detects high current going to the magnetron or high temperature in that area of the microwave cavity. Another thermal switch monitors the temperature of the cooking cavity and trips when high temperatures occur. If any of these switches fail, the microwave won’t start, lights and fans will be inoperative and the display will be blank. Because microwaves contain a high-voltage transformer and high-voltage capacitors that retain a lethal amount of electricity even with the microwave unplugged, a Sears Home Services professional should examine the microwave and perform the repair.

    Power Supply Board Replacement

    If the power supply board is inoperative, the microwave will not power up. The microwave will not heat, the door may not latch properly, and the lights, fans and control panel won’t come on. This is because the power supply in a microwave connects the incoming power from your home’s electrical supply to the components inside the microwave. A defective power supply may also fail to protect the microwave from power surges, potentially causing damage to electronic components like the main control board. If your microwave is not powering up, have a Sears Home Services professional inspect it and replace the power supply board if necessary.

    What to expect when you experience a Frigidaire microwave door not closing issue

    How is the door not closing problem fixed?

    Correcting most door not closing problems usually involves replacing the door hinge, switch or power supply. However, there are many potential causes, so a thorough diagnosis is key to fixing the problem. An accurate diagnosis is essential to understanding how much the repair will be.

    Sears Home Services recommendations for a microwave door that is not closing

    When the microwave door is not closing it can be for many reasons. To avoid replacing unneeded parts we recommend having a Sears Home Services professional perform diagnostic tests to identify the root cause of the problem. Our technicians are experienced at diagnosing all types of microwave failures.

    What to look out for with a microwave door not closing diagnosis

    Diagnosing modern appliances without proper knowledge and training can be difficult. Without using proper diagnostic techniques, fixing your microwave problem will only be achieved through changing parts on a hunch. Appliances, especially in the last 10 years, have become extremely advanced, and many models have electronic parts that are difficult to test. DIY repairs on the latest appliance models are becoming increasingly difficult.

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    Michael C offered an excellent service

    5 stars!!! Michael was quick and knowledgeable! Very accommodating and professional

    Andreina G, Naples, FL


    Mark really went over the microwave trying to fix it, this was his second time here for the same problem. August till ? till we get it replaced. we appreciate him for his knowledge of his job. thank you Mark

    H M, Cadiz, OH


    Mr. David is very polite and intelligent gentlemen. He came to replace a part on my microwave and he checked the microwave to make sure it was working properly. Mr. David gave me a courtesy call that he will be arriving in 15mins. He arrived on time for the appointment and took care of his job duties. Thanks Mr. David for all the hard work you do at Sears. Keep up all the good work.

    Pamela W, Baltimore, MD

    Additional resources to help you fix your Frigidaire microwave

    DIY Tips to Extend the Life of Your Appliances

    Cleaning and maintaining your appliances properly can help extend their lifespan and prevent costly repairs.

    How to Clean & Maintain Your Kitchen Appliances

    During spring cleaning season, don’t neglect your kitchen appliances. Cleaning and maintaining your refrigerator, stove and dishwasher will help them work better and last longer.

    How Long Do Appliances Usually Last?

    Household appliances are a major purchase for any homeowner. Knowing how long they typically last is essential when budgeting for expenses.

    Additional possible Frigidaire microwave symptoms you may experience