Frigidaire Microwave Turns On/Off [Problems Solved]

If you are experiencing some problems in which your Frigidaire microwave turns on or off, keep reading. We are going to be showing you the causes and the solutions for this problem.

Frigidaire Microwave Turns Off After 3 Seconds

If your microwave turns of after a few seconds, one of the door switches is faulty. To test and replace a door switch in a Frigidaire microwave, follow these steps…

Step 1: Unplug the microwave.

Step 2: Take out the screws which hold the front grille of the microwave in place. There will be two or three screws at the top.

Step 3: Open the microwave door.

Step 4: Use a putty knife to carefully pry out the front grille.

Step 5: Take out the screw behind the control panel.

Step 6: Lift the control panel up then lower it down carefully.

Step 7: Note where each wire goes on the control board then disconnect them. Take a picture to make it easier.

Step 8: Set the control panel assembly aside.

Step 9: Disconnect the wire connector connected to the door switches.

Step 10: Take out the two screws which secure the door switch holder to the frame.

Step 11: Take out the door switch holder and remove the first door switch.

Step 12: To find out if the door switch is faulty or not, press the small button on it. If you hear and feel a strong click, the door switch is still good. Return it. Click here to know more about testing a microwave door switch.

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Step 13: Do this same test with the other door switches. If you press the button on one and it feels loose, it is faulty.

Step 14: Get a new door switch and place it in the holder.

Step 15: Align the door switch holder on the frame and hold it in place with the two screws.

Step 16: Reconnect the wire connectors to the door switches.

Step 17: Reconnect the wires to the right places on the control board.

Step 18: Push the control panel assembly back in.

Step 19: Secure it with the screw.

Step 20: Return the front grille and the screws at the top.

Step 21: Close the microwave door.

Step 22: Plug the microwave back in.

Watch the video below if you would like a visual of how to replace a Frigidaire microwave door switch.


Frigidaire Microwave Turns On By Itself

If your Frigidaire microwave turns on by itself, it is also the result of a faulty door switch. Follow the steps listed above this section to test and replace the door switch in a Frigidaire microwave.

Frigidaire Microwave Turns On But Doesn’t Heat

If your Frigidaire microwave turns on but doesn’t heat, the magnetron, diode, line fuse, or capacitor is faulty. This article talks about all these components and how to test and replace them.

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How To Use A Magic Chef Microwave [Detailed Guide]

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