If your LG oven preheats then shuts off or if it smells like gas while preheating, keep reading. We will look at some LG oven problems today.
Table of Contents
LG Oven Preheats Then Shuts Off — How To Fix
If your LG oven preheats then shuts off, the first thing you should do is reset it. Do this by turning off the circuit breaker for 5 minutes then turning it back on. If you’re lucky, this will fix the problem. If not, you will need to replace the oven’s control board. To replace the control board in an LG oven, simply follow these steps…
Step 1: Unplug the oven from the outlet.
Step 2: Take out the screws at the back of the oven which hold the upper panel brackets in place.
Step 3: Remove the brackets.
Step 4: Now take out the screws which hold the upper panel in place.
Step 5: Set the panel aside.
Step 6: Note where each wire goes on the control board then disconnect them. Take a picture to make this easier for yourself.
Step 7: Disconnect the wires connected to the relay board and power supply board.
Step 8: Take out the screws securing the control board then take it out.
Step 9: Get a new control board and position it on the oven.
Step 10: Secure the board with the screws.
Step 11: Reconnect the wires to the relay board and power supply board.
Step 12: Reconnect the other wires connected to the control board using the picture you took before for reference.
Step 13: Return the upper back panel of the oven.
Step 14: Hold the panel in place with the screws.
Step 15: Also return the brackets and the screws which hold them in place.
Step 16: Plug the oven back in.
Watch the video below for a visual of how to replace the control board in an LG oven.
LG Oven Smells Like Gas When Preheating — How To Fix
If you smell gas from your oven when its preheating, turn it off immediately. There might be a gas leak so, contact your gas supplier and make sure all your windows are open. If there isn’t a gas leak, the igniter may be faulty. Follow the steps below to replace the igniter in an LG oven…
Step 1: Turn the oven off and unplug it from the outlet.
Step 2: Open the oven door.
Step 3: Slide out the racks in the oven.
Step 4: Flip the locks on the door hinges.
Step 5: Lift the door off and set it aside.
Step 6: Next, take out the screws which hold the bottom cover of the oven in place.
Step 7: Lift the cover out.
Step 8: Take out the screws which hold the burner cover in place.
Step 9: Remove the cover from the oven.
Step 10: Now take out the screws which hold the igniter in place. There should be three screws.
Step 11: Carefully pull out the igniter.
Step 12: Disconnect the wire plug connected to the igniter.
Step 13: Get a new igniter and connect the wire plug to it.
Step 14: Position the igniter and secure it using the two screws.
Step 15: Return the burner cover and the screws which secure it.
Step 16: Position the bottom cover back in the oven and screw it into place.
Step 17: Insert the hinges on the oven door back into the slots in the oven.
Step 18: Lower the door and flip the hinge locks to hold it in place.
Step 19: Slide the racks back into the oven.
Step 20: Close the door and plug the oven back in.
The video below will give you a visual of how to replace the igniter in an LG oven.
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LG Oven Preheats Slowly — How To Fix
If your LG oven takes a long time to preheat, the first thing you should do is reset it. Do this by switching off the circuit breaker for 5 minutes then turning it back on. If your LG oven still takes forever to preheat, the temperature sensor is faulty. To replace the temperature sensor in an LG oven, follow these steps…
Step 1: Start by turning the oven off then unplugging it.
Step 2: Open the door of the oven.
Step 3: Remove the racks in the oven.
Step 4: Take out the screws holding the temperature sensor in place. The temperature sensor is on the upper left corner of the oven back wall.
Step 5: Carefully pull out the temperature sensor.
Step 6: Disconnect the wire plug connected to the sensor.
Step 7: Get a new sensor.
Step 8: Connect the wire plug to the new sensor.
Step 9: Screw the new sensor into place.
Step 10: Return the racks to the oven.
Step 11: Close the door of the oven.
Step 12: Plug the oven back in.
Also follow the steps above if your LG oven is not preheating.
The video below will show you how to replace the temperature sensor in an LG oven.
LG Oven Stuck On Preheat — How To Fix
If your LG electric oven is stuck on preheat, the heating element must have shorted out during the process. Follow the steps below to replace the faulty heating element in an LG oven…
Step 1: Turn off and unplug the oven from the outlet.
Step 2: Take out the screws securing the back panel of the oven.
Step 3: Set the panel aside.
Step 4: You will see the two terminals of the heating element close to the bottom of the oven. Touch the probes of a multimeter to them to test for continuity. If there is no continuity, the element is faulty.
Step 5: Take out the two screws underneath the board on the lower right of the oven.
Step 6: Pull out the metal plate with the oven’s power cord connected to it.
Step 7: Around the element terminals, there is a rectangular shaped cover with small holes around it. Clip the small metal pieces in the holes using a pair of pliers. This will release the metal cover.
Step 8: Unscrew the wire at the left side right above the rectangular cover.
Step 9: Pull out the rectangular metal plate and set it aside.
Step 10: Push the insulation upwards.
Step 11: Take out the two screws right above the heating element terminals which hold it in place.
Step 12: Bend the small metal tabs which secure the heating element.
Step 13: Pull out the heating element.
Step 14: Get a new element and slide it into the oven.
Step 15: Bend the tabs back.
Step 16: Return the screws which secure the element.
Step 17: Push the insulation back down.
Step 18: Get the rectangular plate and flip it so the bottom side is up now.
Step 19: There will be two screw holes. Get two screws and insert them into the holes to secure the rectangular metal plate.
Step 20: Screw back the wire above the rectangular plate.
Step 21: Reconnect the black and yellow wires to the heating element terminals.
Step 22: Reposition the box with the power cord connected to it.
Step 23: Hold the box in place with the screws.
Step 24: Reposition the back panel of the oven.
Step 25: Hold the panel in place with the screws.
Step 26: Plug the oven back in.
Watch the video below for a visual of how to replace the heating element in an LG oven.
LG Convection Oven Preheat
To preheat your LG convection oven, follow these steps…
Step 1: Turn the oven on and press the “Stop/Clear” button.
Step 2: Press the “Conv” button.
Step 3: Turn the oven dial to select your desired temperature.
Step 4: Press “Start” twice.
Step 5: You will hear beeps when the oven is preheated. Open the door and place your food in it.
LG Oven Preheat Time
An LG oven will take about 10 – 15 minutes to preheat.