How to Replace LG Microwave Charcoal Filter

The LG microwave is a very easy-to-use device; if you want to learn how to replace the charcoal filter, you should pay close attention to what I will tell you today in this post.

Previously, we talked about how to install the LG microwave in your kitchen, and now I will guide you through how to replace the charcoal filter. This post is directed to those with an LG over-the-range microwave oven installed to recirculate air, and you must periodically replace the charcoal filter.

The charcoal filter helps to absorb unwanted odors from the cooking process and keeps the air fresh and clean. In this blog post, in simple steps, allow me to guide you through replacing the charcoal filter within your LG microwave oven.

You will also learn how to find the right filter for your model, how often to replace it, and how to troubleshoot some common issues.

What is a Charcoal Filter, and Why Do You Need It?

A charcoal filter is a disposable filter that is made of activated carbon. It works by trapping and absorbing molecules of odor-causing substances, such as smoke, grease, and food particles. A charcoal filter differs from a grease filter. A filter is made of reusable metal mesh that can be easily cleaned. A grease filter is designed to catch more considerable grease and oil particles, while a charcoal filter is designed to catch smaller particles of odour and gas.

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A charcoal filter is only needed if your microwave oven is installed to recirculate air, meaning that the exhaust fan blows the air back into the kitchen instead of venting it outside. This is usually the case if your microwave oven is mounted on a wall or under a cabinet and no ductwork or vent hood is available. If your microwave oven is installed to vent outside, you do not need a charcoal filter, as the odours will be expelled from the air.

How to Find the Right Charcoal Filter for Your L.G. Microwave Oven

Before you replace the charcoal filter, you need to find the right one for your L.G. microwave oven model. You can find the model number of your microwave oven on a label inside the door or on the back of the unit. You can also check the user manual or the L.G. website for the model and corresponding filter part numbers.

Alternatively, you can use the LG Parts Finder tool to search for the filter by entering the model number of your microwave oven. The device will show you the filter part number, the price, and the availability. You can order the filter online or find a local authorized service centre that sells L.G. parts.

How Often to Replace the Charcoal Filter

The charcoal filter cannot be cleaned and should always be replaced at least every 6 to 12 months, depending on how frequently you use your microwave oven and what food you cook. If you notice that the air in your kitchen is smelly or smoky or the exhaust fan is not working correctly, it may be time to replace the filter. You can also check the filter’s condition by holding it to a light source. If the filter is dark and clogged, it needs to be replaced.

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How to Replace the Charcoal Filter in Your L.G. Microwave Oven

Replacing the charcoal filter in your L.G. microwave oven is a simple and quick process that does not require any tools nor for you to be a pro in fixing things, as far as you carefully follow the steps I gave below, you can be able to do it.

  1. Unplug your microwave oven or disconnect the power.
  2. Remove the vent grille mounting screws located on the top of the microwave. Depending on the model, there may be one or two screws. Set them aside in a safe place.
  3. Slide the vent grille to the left or right to remove it. Set it aside as well.
  4. Locate and remove the charcoal filter. It should be behind the vent grille, near the centre of the microwave. Push it up and then pull it out. Dispose of the old filter properly.
  5. Slide a new charcoal filter into place. Make sure it is aligned with the slots and snaps into place.
  6. Reinstall the vent grille by sliding it back into position. Replace the mounting screws and tighten them.
  7. Plug your microwave oven back in or reconnect the power.

How to Troubleshoot Some Common Issues with the Charcoal Filter

Sometimes, you may encounter issues with the charcoal filter or the exhaust fan of your microwave oven. Now the possible cause are not mysteries, below I have listed all the possible causes.

The exhaust fan is noisy or vibrating

This may be due to a loose or damaged vent grille, a dirty or clogged grease filter, or a faulty fan motor. Check the vent grille and the grease filter and ensure they are secure and clean. If the issue persists, it is recommended that a skilled technician be contacted to conduct an inspection and repair of the fan motor.

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The exhaust fan needs to be drawing air correctly

This may be due to a dirty or clogged charcoal filter, a blocked or restricted vent duct, or a faulty fan motor. Check the charcoal filter and the vent duct and ensure they are clean and clear. Should the issue continue, it is advisable to enlist the expertise of a proficient technician to examine and rectify any malfunction in the fan motor.

The exhaust fan is running continuously

This may be due to a faulty fan switch or control board. To ensure proper maintenance of your lover, it is advisable to seek the services of a skilled technician who can inspect and repair either the fan switch or the control board.

Conclusion

Replacing the charcoal filter in your LG microwave oven is easy, as seen in this guide. It is also an essential task to help you maintain your appliance’s performance and quality.

Following the steps outlined in this informative blog post, you can swiftly and efficiently replace your filter, resulting in a rejuvenating and pleasantly fragrant cooking atmosphere. If you have any questions or comments, feel free to leave them below. 

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