Both of my microwave over range bulbs burnt out. We took them out and one rolled of the counter and broke. The other one, which I thought was safely wrapped up in my purse, also broke. I have no idea what type of bulbs they were but I do know the microwave brand. I have been searching for the right bulb for over a year. Can you help?
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The metal base may have fused together from electrical arcing when the old bulb was removed. The entire bulb receptacle (socket) will have to replaced. If you cannot do that yourself, the cost would be excessive. Just live without the light as long as the microwave gets the job done.
What kind of microwave oven is this? A counter-top model or an over-the-range microwave? Do you have a brand and model number? And which light bulb do you want to replace - the cavity light bulb, or the bottom light(s) of an OTR microwave?
Chances are it is a boyonet base bulb. Unplug or turn off the power to the microwave. To remove the bulb, press in lightly, turn the base of the bulb counter-clockwise about 20 degrees till it stops, then it should pull straight out.
What happend is that when the bulb broke the filiments touched (shorted out) and caused the reset switch on the unit to set>>>you need to find the reset button on this unit, look at your service manual. Additionally on some units there is a fused link internally, that may have blown>>>>both are an easy fix, so dont throw it out.
If fuse, door switches, and capacitor are good, the next potential problem area is the control board (behind the keypad). Look for evidence of burn markings on the board and back of keypad panel; you may need to unscrew it to pull it out and look. I discovered with the same issues you have posted my LG microwave had a burnt board. Replacement is around a hundred dollars so I will just go buy anorther microwave (not LG!).
the clear rubber is from the factory to keep the bulb from turning you need to cut this before you can replace the bulb . thats why the first bulb broke . there is no trick to getting them out , see if there is a glue strip on the broken bulb that if you chip off it will then turn . just be carefull what ever you do . ge thinks there microwave will die before the lights burn out ! it screams of there trust in there products . good luck
there's no obvious removable cover over the bulb (most often on the
rear or side) and the owner's
manual doesn't address it, then disassembly will be required.
Always unplug a
microwave before removing or installing any bulbs.
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 it's out of the
wall, the outer cover (wrapper) will need to be removed, just as you'll
need to do on a counter top model.
counter top model,
be sure it's unplugged, but otherwise ignore the instructions
above this paragraph.
screws you need to remove should be pretty obvious, but a special
driver (such as a T20H 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
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.
In the UK, LG customer support is here. You may find your owner's manual online here.
happy to help you with free advice and we'd appreciate your thoughtful
rating of our answer.
First of all, always disconnect the oven from the line before you remove or install bulbs, otherwise, you can damage the control board.
We repair them all the time because of this.
You can find helpful exploded view diagrams and order parts by entering your full model number (without the suffix) here: http://tinyurl.com/gv383
We have critical safety & disassembly info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk