Question about LG LRMM1430 Microwave Oven

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Where is the light bulb located?

My microwave works just fine, but the inside light bulb is not working. I can not figure out where it is located to change it, or what kind of light blub I have to get to change it. Any help will be greatly appreciated.

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Re: Where is the light bulb located?

Unscrew the vent at the top of the microwave(2 phillips head screws)
inside to the right you'll see another screw holding a metal panel. Unscrew this and take the panel off and you'll see the bulb, which will unscrew counter-clockwise

Posted on Oct 29, 2008

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Re: Where is the light bulb located?

On my Spacemaker JVM163, I unscrewed the two top screws for the vent. After the vent was removed, I found a plate covering the light bulb. The plate removed easily by moving the plastic clip to the left. The light bulb has been replaced, and works well.

Posted on Dec 12, 2009

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Re: Where is the light bulb located?

If there is not an access panel inside the cooking area (cavity) or on the back, then the outer cover will have to be removed to access the lamp. For help on that, you can find my safety info and disassembly text files by doing a search on Yahoo for this term: microwave oven disassembly.txt

Posted on Nov 05, 2006

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Kenmore Microwave Model 721.67601790 lights don't work!

This is actually a common problem which we repair on a regular basis.

We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week with a one-year guarantee.

At our site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

Feel free to contact me directly (and please remind me of your model number) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller


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Where is the light bulb located?

If there's no obvious removable cover over the bulb (and the owner's manual doesn't address it) some disassembly may be required.

I have a diagram at my site which helps you find & replace many GE cooktop and cavity light bulbs. Other models are similar.

You can find helpful exploded view diagrams and for many brands by entering your full model number here:

Always unplug a microwave before removing or installing any bulbs.

If it's an over the range type, remove the vent grille across the top and see if bulbs can be accessed there.

There may be a panel on the bottom covering the light(s), instead.

If not, chances are you'll have to remove it from the wall, then remove the outer cover.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

Once your over the range type is out of the wall, or if yours is a counter top model, the outer cover (wrapper) will need to be removed.

The screws you need to remove should be pretty obvious, and a special driver (such as a T20H Torx type or GTXH20-100) may be needed.

Be sure to put all the screws back in the right holes, since some may be special grounding screws.

Bulbs can be had in most grocery stores, hardware stores, home improvement centers, and big box or department stores.

Many models use halogen lamps. You must not touch the new one with your bare skin, as the oils will shorten the bulb life.

We're happy to help and we appreciate your thoughtful rating of our answer.


Do you mean your internal cooling fan or the hood / vent / exhaust fan?

If it's ther internal cooling fan, do not use the microwave or the magnetron will overheat and be damaged or destroyed.

We're happy to help and we appreciate your thoughtful rating of our answer.

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Light bulb

If you are comfortable with taking the cover off, Unplug the microwave, usually there are 2 philips screws on the top back, 2 on the right back and 2 on the left back edge cover. Sometimes, their might be a screw on the bottom but you will notice this right away if there are or not if the cover doesnt come off.

Then located the light bulb. You should be able to see the opening from inside the microwave where the light bulb is located.

Once you locate the bulb, then there are usually 2 types, type 1 screws in and the other type is a bayonet type, which you push down, and then twist. You should be able to figure this out.
Sometimes there is a plastic cover that is placed around the bulb to kinda help focus the light towards the inside of the microwave.
Once the bulb is out, then take it to your local hardware store and see if they can match it up. You might want to call first to see if they carry them before driving all over the place.
Hope this helps.
Good luck.
If i have helped you with you question, then please remember to post a feedback and a rating.

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