LG Oven Won’t Turn On [How To Fix]

If your LG oven won’t turn on after self cleaning or your oven light won’t turn on, keep reading to learn how to fix it yourself.

LG Oven Won’t Turn On — How To Fix

The first reason your LG oven won’t turn on is because of the heating element. If you have an electric oven and it won’t turn on, you should check the heating element first. If you have an LG gas oven, then check the igniter first

Read this article to replace an LG oven heating element. If your LG oven is a gas one, look at this article to replace the igniter.

The Control Board

If the heating element or igniter wasn’t faulty, the control board may be faulty. Follow these steps to replace an LG oven control board…

Step 1: Unplug the oven.

Step 2: Take out the screws which hold the brackets behind the oven. The brackets will be underneath the upper back panel.

Step 3: Take out the screws which hold the upper panel of the oven.

Step 4: Note where each wire goes on the control board by taking a picture.

Step 5: Disconnect the wires.

Step 6: Disconnect the wires connected to the other boards right next to the control board.

Step 7: Take out the screws which secure the control board and test the board with a multimeter. If the board is faulty, you will need to get a new one.

Step 8: Get a new board and screw it into place.

Step 9: Reconnect the wires to the other boards at the sides of the control board.

Step 10: Connect the wires back to the control board.

Step 11: Reposition the upper panel and secure it with the screws you removed before.

Step 12: Return the brackets underneath the panel.

Step 13: Secure using the screws.

Step 14: Plug the oven back in.

The video below will show you how to replace the control board in an LG oven.

The Relay Board

If replacing the control board in your LG oven didn’t fix the problem. Follow the steps below to replace the relay board…

Step 1: Turn off your oven’s circuit breaker.

Step 2: Take out the screws which secure the bracket underneath the upper back panel of the oven.

Step 3: Take out the screws which hold the upper panel of the oven in place.

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Step 4: The board at the right side of the control board is the relay board. Disconnect the wires connected to the board.

Step 5: Remove the screws securing the relay board.

Step 6: Get a new relay board and screw it into place.

Step 7: Reconnect the wires to the relay board.

Step 8: Return the upper panel of the oven and the screws which hold it in place.

Step 9: Also return the brackets and screws.

Step 10: Plug the oven back in.

If your LG oven won’t turn on still, look at the section directly below this one to replace the thermal fuse. If that doesn’t fix the problem, call a technician to identify and fix the problem.

If you would like a visual of how to replace the relay board in an LG oven, watch the video below.

LG Oven Won’t Turn On After Self Cleaning — How To Fix

If your LG oven won’t turn on after running the self clean feature, the thermal fuse has blown. To  replace the thermal fuse in an LG oven, follow these steps…

Step 1: Pull the oven out.

Step 2: Turn off the power to the oven by unplugging the oven or switching off the circuit breaker.

Step 3: Take out the screws at the back of the oven which hold the back panel in place.

Step 4: Set the back panel aside.

Step 5: The thermal fuse on the right side of the oven, disconnect the wires on it.

Step 6: Unscrew the thermal fuse from the oven and test it with a multimeter. If there is no continuity, it will need to be replaced.

Step 7: Get a new thermal fuse and screw it into place.

Step 8: Connect the wires to the thermal fuse.

Step 9: Return the back panel and the screws which secure it.

Step 10: Plug the oven back in.

Step 11: Push the oven back to its usual position.

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LG Oven Light Won’t Turn On — How To Fix  

If the light of your LG oven won’t turn on, the light bulb or light socket could be faulty. It is more common for the light bulb to be faulty so we will show you how to replace it first. To replace light bulb off your LG oven, follow these steps…

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Step 1: Switch off the oven’s circuit breaker and wait for your oven to cool down if it’s still hot from previous use.

Step 2: Open the oven door and take out the racks in it.

Step 3: Remove the glass light bulb cover. Do this by turning it counter clockwise.

Step 4: Unscrew the light bulb.

Step 5: Get a new 40 watt bulb.

Step 6: Screw the bulb into place.

Step 7: Return the light bulb cover.

Step 8: Slide the racks back into the oven.

Step 9: Close the oven door.

Step 10: Switch on your oven’s circuit breaker.

The video below will give you a visual of how to replace the light bulb in an LG oven.

If the light in your LG oven won’t turn on after replacing the bulb, the light socket is faulty. Follow the steps below to replace the light socket in an LG oven…

Step 1: Switch off your oven’s circuit breaker or unplug it from the outlet.

Step 2: Open the oven door and remove the racks.

Step 3: Turn the light bulb cover counterclockwise.

Step 4: Unscrew the light bulb from the socket.

Step 5: Take out the screws at the back of the oven which secure the lower panel.

Step 6: Remove the lower back panel and set it aside.

Step 7: Take out the screws which hold the heat shield around the light socket.

Step 8: Remove the heat shield.

Step 9: Note where each wire goes on the oven’s light socket then disconnect them.

Step 10: Push the metal tab on the light socket to remove the last wire.

Step 11: Using a flat head screwdriver, bend back the tabs around the light socket to remove the base.

Step 12: Push the light socket out.

Step 13: Get a new light socket.

Step 14: Push the new light bulb into place.

Step 15: Reconnect all the wires to the light socket

Step 16: Reposition the heat shield around the light socket and hold it in place using the screws.

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Step 17: Return the lower back panel of the oven.

Step 18: Hold the panel in place with the screws.

Step 19: Screw the light bulb back into the socket.

Step 20: Return the light bulb cover.

Step 21: Slide the racks back into the oven.

Step 22: Close the door and turn the oven back on.

Watch the video below for a visual of how to replace the light bulb socket in an LG oven.

LG Stove Burner Won’t Turn On — How To Fix

If your stove burner won’t turn on, the element is probably faulty. To replace the element of your LG stove, do the following…

Step 1: Unplug the oven.

Step 2: Open the oven door and take out the screws underneath the stove top which secure it.

Step 3: Carefully lift up the stove top.

Step 4: The elements are held by a metal piece. Take out the screws which secure the metal piece. There will be one screw on each side.

Step 5: Note where each wire goes on the faulty element then disconnect them.

Step 6: Pull out the faulty element from the metal piece.

Step 7: Get a new element and position it on the metal bracket.

Step 8: Position the metal bracket back on the stove top.

Step 9: Screw it into place.

Step 10: Carefully lower the stove top.

Step 11: Return the screws underneath the stove top which hold it in place.

Step 12: Close the oven door and plug the oven back in.

Watch the video below for a visual of how to replace the element of an LG stove.

How To Turn On Self Clean LG Oven

To use the self clean feature in your LG oven, do the following…

Step 1: Remove the racks in the oven and make sure the light bulb cover is covered properly.

Step 2: Close the oven door.

Step 3: Tap the self clean button once or more depending on how many hours you want the feature to run.

Step 4: Press “Start”.

Step 5: Leave the oven to cool down completely after the process as it will be very hot.

Step 6: Afterwards, open the door and wipe out the ash using a damp cloth.

Do LG Ovens Have Fuses?

An LG oven has one thermal fuse located at the back of the oven.

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