Frigidaire Microwave Is Making Noise/Sound [Solutions]

While it is normal to hear some noise while your microwave is running, if you notice it getting louder or more unusual, there could be something wrong. Today, we will talk about the reasons why your Frigidaire microwave is making noise and what you can do to fix it.

Frigidaire Microwave Is Making a Loud Noise

If your Frigidaire microwave is making noise, the magnetron is probably the faulty component. To test and replace the magnetron in a Frigidaire microwave, do the following…

Step 1: Turn off and unplug the microwave.

Step 2: Take out the glass tray and support from within the microwave.

Step 3: Take out the bolts which secure the microwave to the cabinet. Get someone to support the microwave as you take out the bolts.

Step 4: Gently tilt the microwave forward and pass the power cord through the hole in the top of the cabinet.

Step 5: Lift the microwave up from the mounting plate on the wall and place on a towel lined sturdy surface.

Step 6: Rest the microwave on its back and take out the screws which hold the bottom panel in place.

Step 7: Disconnect the wire connector from the panel.

Step 8: Set the panel aside.

Step 9: Turn the microwave back to its normal position.

Step 10: Take out the screws at the top of the microwave front vent.

Step 11: Open the microwave door.

Step 12: Carefully remove the front vent.

Step 13: Close the door.

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Step 14: Take out the three screws which hold the blower cover in place.

Step 15: Next, take out all the screws which secure the microwave cover. There will be some at the back, top, and side.

Step 16: Lift the microwave cover up.

Step 17: Discharge the capacitor. Do this by placing a pair of pliers of the terminals of the capacitor at the same time. Make sure not to touch the metal part of the pliers when you do this.

Step 18: Take out the screw which holds the thermostat to the magnetron.

Step 19: Disconnect the wires connected to the capacitor. Make sure to note where each one goes first.

Step 20: Take out the screws securing the capacitor to the microwave.

Step 21: Remove the capacitor.

Step 22: Disconnect the magnetron wire connector.

Step 23: Take out the screw on the frame in order to bend the air diverter flap back.

Step 24: Tighten the screw back to hold the flap in position.

Step 25: Remove the screws which secure the magnetron to the microwave.

Step 26: Take out the magnetron.

Step 27: Test the magnetron using a multimeter. If there is no continuity, get a new magnetron. Click here if you would like to know how to test a microwave magnetron.

Step 28: Align the new magnetron on the frame and screw it into place.

Step 29: Loosen the screw on the frame to bend the air diverter flap back to its normal position.

Step 30: Tighten the screw.

Step 31: Reconnect the wire connector to the magnetron.

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Step 32: Position the capacitor and secure it with the screws.

Step 33: Reconnect the wires to the right capacitor terminals.

Step 34: Return the microwave cover and the screws which secure it.

Step 35: Reposition the blower cover and hold in place with the three screws.

Step 36: Also return the front vent and the screws at the top.

Step 37: Rest the microwave on its back.

Step 38: Return the bottom panel.

Step 39: Reconnect the wire connector.

Step 40: Screw the bottom panel into place.

Step 41: Lift the microwave and sit it on the mounting plate.

Step 42: Pass the power cord through the hole.

Step 43: Use the bolts to secure the microwave to the cabinet.

Step 44: Return the glass tray and support.

Step 45: Plug the microwave back in.

The video below will walk you through the whole process of replacing a Frigidaire microwave magnetron.

Check out these articles…

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How to Install a Frigidaire Microwave… [Detailed Guide]

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How To Clean a Frigidaire Microwave [Detailed Guide]

Frigidaire Microwave Making Grinding Noise

If you hear a grinding noise when your microwave is running, the turntable motor is probably faulty. To test and replace the turntable motor in a Frigidaire microwave, do the following…

Step 1: First, turn off the microwave and unplug it from the outlet.

Step 2: Take out all the screws underneath the microwave which hold it’s bottom panel in place.

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Step 3: Carefully lower the bottom panel down.

Step 4: Disconnect the light wire connector from the bottom panel to fully remove it.

Step 5: Also disconnect the turntable motor wire connector.

Step 6: Take out the screws securing the motor to the microwave.

Step 7: Test the microwave turntable motor using a multimeter. If there is no continuity, you will need to get a new one. Click here if you would like to know how to test a turntable motor using a multimeter.

Step 8: Install the new turntable motor and secure it with the screws.

Step 9: Reconnect the wire connector to the turntable motor.

Step 10: Connect the LED light wire connector to the bottom panel.

Step 11: Screw the bottom panel into place.

Step 12: Plug the microwave back in.

If your microwave still makes a grinding noise after this, read this article on a Frigidaire microwave turntable.

The video below will show you how to replace a Frigidaire microwave turntable motor.

Frigidaire Microwave Making a Popping Noise

If your Frigidaire microwave is making a popping sound, it is most likely because of metal. If you put a metal plate in a microwave, it could cause it to spark and make a popping noise. Inspect the plate you placed in the microwave for any metal substances. If you notice any, take it out of the microwave.

However, if your plate isn’t metal, you may be hearing the popping sound if your plate of food isn’t covered. When you leave your food open in a microwave, the oil or water in it could be entering the inner parts of the microwave, thus creating a popping noise. Cover your plate of food while cooking in the microwave to prevent this.

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