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Microwave not spinning
Common reasons your microwave not spinning
The most common reasons your microwave is not spinning are a bad thermostat, malfunctioning electronic control board or a broken switch.
67% of the time it's the Thermostat
11% of the time it's the Electronic Control Board
8% of the time it's the Switch
14% of the time it's the Something else
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Common microwave repair parts you may need
Replacing one of these microwave parts may fix your problem.
Thermostat Replacement
A faulty thermostat in a microwave can result in various issues, primarily affecting the power supply to the microwave's components. Microwaves are equipped with multiple internal thermostats designed to safeguard users from potential hazards when internal components malfunction. For instance, many microwaves feature a magnetron thermostat, which trips upon detecting excessive current flowing to the magnetron or high temperatures within the microwave cavity. Similarly, another thermostat oversees the temperature of the cooking cavity and trips in the event of elevated temperatures. If any of these thermostats are triggered, the microwave will fail to initiate, and the lights, fans, and display will cease to function. Given that microwaves contain high-voltage transformers and capacitors that can store dangerous levels of electricity even after being unplugged, it is advisable to enlist the expertise of a Sears Home Services professional to inspect and repair the microwave.
Electronic Control Board Replacement
If the electronic control board of a microwave malfunctions, it can result in various issues, such as a lack of power or heating, or it may even prevent the microwave from powering off. This is because the control board acts as the central hub of the microwave, overseeing critical functions like controlling the magnetron that heats food, managing cooling fans, illuminating lights, operating the turn-table motor, regulating cooking times and power levels, and displaying information. When the electronic control board malfunctions, it can disrupt communication among numerous components within the microwave. A faulty board might manifest in symptoms like unusual noises such as chattering or clicking, or it may emit a burning odor. Given the potential repercussions on multiple components, it is recommended to engage a Sears Home Services professional to conduct diagnostic tests on the board to determine if replacement is necessary.
Switch Replacement
If a switch in a microwave is broken, it can lead to various issues, primarily affecting the power supply to the microwave's components. Microwaves are equipped with several internal thermal switches and interlock switches, which serve to safeguard users in the event of component failure. For instance, door interlock switches prevent the microwave from operating when the door is open, thus preventing exposure to harmful radiation. Additionally, many microwaves are fitted with a magnetron thermal switch that trips upon detecting excessive current or temperature in the magnetron area of the microwave cavity. Another thermal switch oversees the cooking cavity temperature and triggers if it rises to high levels. Should any of these switches malfunction, the microwave may fail to start, and its lights, fans, and display may cease to function. Given that microwaves contain high-voltage components such as transformers and capacitors that can retain dangerous levels of electricity even when unplugged, it is advisable to enlist the expertise of a Sears Home Services professional to inspect the microwave and carry out any necessary repairs.
What to expect when you experience a microwave not spinning issue
How to fix the not spinning problem
Addressing most issues with non-spinning components typically entails replacing the thermostat, electronic control board, or switch. Nevertheless, given the multitude of potential causes, conducting a comprehensive diagnosis is crucial for resolving the problem effectively. An accurate diagnosis is indispensable for determining the extent of the required repair.
Sears Home Services solutions for a microwave that is not spinning
If the microwave turntable is not spinning, it could be due to various reasons. To avoid replacing unneeded parts, we recommend scheduling microwave oven repair with a local Sears Home Services professional who can perform diagnostic tests to identify the root cause of the problem. Our technicians possess extensive experience in diagnosing all kinds of microwave malfunctions.
What to watch for with a microwave not spinning diagnosis
Understanding and diagnosing modern appliances without the right knowledge and training can be challenging. If you don't employ proper diagnostic methods, resolving issues with your microwave might involve randomly replacing parts. Over the past decade, appliances have advanced significantly, with many featuring complex electronic components that are hard to assess. Repairing the latest appliance models on your own is becoming more challenging.
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microwave
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
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Customer
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
Frequently Asked Questions
Repair Microwave Resources
Discover the top causes of microwave malfunctions in 2025 with Sears Home Services.
Find out how magnetrons work in microwave ovens to cook food.
Learn how a convection microwave oven works and how to maintain it.
Is it worth repairing a microwave? Find out the pros and cons of repairing your microwave at Sears Home Services.
Glossary Terms
A microwave diode is an electrical component that allows current to flow in one direction only, playing a crucial role in converting incoming electrical power into the microwave energy that cooks the food.
A microwave sensor is a technologically advanced feature in modern microwave ovens that measures vapor (steam) emitted by the food, adjusting the cooking time and power levels automatically for optimal results.
A microwave waveguide cover is a small, often mica or plastic piece inside the microwave that covers the opening where microwaves enter the cooking chamber, protecting the microwave's internal components from food splatter and ensuring efficient distribution of the microwaves.
A microwave magnetron is a component in microwave ovens that generates the microwaves used to cook food.