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Maytag Microwave not working

When your Maytag microwave is not working, first check the line fuse, which is the most common cause when the microwave is dead or not turning on. Test the fuse for continuity with a multimeter, but also identify why it blew before installing a replacement. If your microwave has power but is not working, the door switch holder may be damaged or misaligned, preventing the primary, secondary, or monitor door switches from engaging when the door closes. Next, consider the main control board, although it is rarely the cause and should only be replaced after other parts test good. An overheated or open thermostat can also stop voltage from reaching the high-voltage components, followed by an open thermal fuse that cannot be reset. If the microwave stopped working, verify that the wall outlet has power and check your home circuit breaker or fuse. Any repair that requires opening the outer cabinet, including fuse, thermostat, thermal fuse, or control board replacement, is hazardous because the high-voltage capacitor can store a lethal charge even after unplugging. Proper capacitor discharge is required, so use a qualified technician if you are not familiar with the procedure. Enter your model number to find the exact replacement part for your Maytag microwave.

01 - Maytag Microwave Line Fuse

If too much current passes through the microwave circuitry, the line fuse will blow. If the line fuse blows, the microwave won’t start. To determine if the line fuse is at fault, use a multimeter to test it for continuity. If the fuse does not have continuity, replace it. In addition, you should investigate and resolve the problem that caused the fuse to blow. If you don’t resolve the underlying issue, the new fuse will blow too. (Caution: The microwave oven can store thousands of volts of electricity in its high voltage capacitor, even after the microwave oven has been unplugged. Due to the potential for electric shock, i...t is extremely dangerous to replace the electronic components in a microwave. Only a licensed technician should replace the line fuse.)
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02 - Maytag Microwave Switch Holder

The microwave switch holder is the component that houses the door switches behind the control panel. If the switch holder is damaged or misaligned, one of more switches may not be actuated when the microwave door is closed, resulting in the microwave not working. You will need to uninstall the control panel and inspect the switch holder to confirm it is in good condition and secured properly. Replace the switch holder with a new one if necessary.
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03 - Maytag Microwave Main Control Board

The main control board might be defective. However, this is rarely the case. Control boards are often misdiagnosed—check all of the more commonly defective parts. If you have determined that all of the other components are working properly,replace the main control board. (Caution: The microwave oven can store thousands of volts of electricity in its high voltage capacitor, even after the microwave oven has been unplugged. Due to the potential for electric shock, it is extremely dangerous to replace the electronic components in a microwave. Only a licensed technician should replace the main control board.)
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04 - Maytag Microwave Thermostat

If the microwave overheats, the thermostat trips to cut off voltage to the microwave. If the thermostat is shorted open, it may not allow voltage to reach the high voltage components. To determine if the thermostat is at fault, use a multimeter to test it for electrical continuity. If the thermostat does not have continuity, and it cannot be reset, replace it.
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Highly Likely

05 - Incoming Power Problem

The electrical outlet may not be getting power. To determine if the outlet is getting power, try plugging something else into the outlet. If the outlet is not getting power, check the home circuit breakers or fuses.
Highly Likely

06 - Maytag Microwave Thermal Fuse

The thermal fuse cuts off power to the microwave if the microwave overheats. To determine if the thermal fuse has blown, use a multimeter to test it for continuity. If the fuse does not have continuity, replace it. The thermal fuse cannot be reset—if the fuse is blown, it must be replaced. (Caution: The microwave oven can store thousands of volts of electricity in its high voltage capacitor, even after the microwave oven has been unplugged. Due to the potential for electric shock, it is extremely dangerous to replace the electronic components in a microwave. Only a licensed technician should replace the thermal fuse.)
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Common

07 - Maytag Microwave Control Board

Since the control board controls the voltage being sent to all of the microwave's components, a defective board could be responsible for a microwave not working. However, this is rarely the case. Control boards are often misdiagnosed—check all of the more commonly defective parts. If you have determined that all of the other components are working properly, replace the control board.
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Common

Frequently Asked Questions

Why is my Maytag microwave not working but has power?
How do I test or replace a Maytag microwave fuse?
Can a Maytag microwave door switch holder cause the microwave to stop working?
Should I replace the Maytag microwave main control board if the microwave will not turn on?
How do I find the correct replacement part for my Maytag microwave?