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The toaster on LG LMF-9030TW combined with micro-wave is not heating. The fuse is ok and wiring also. Cannot bring it to repair shop cause I will be out of micro-wave for 2-3 weeks, until fixed. Probably burnt element(s). Can I find the parts locally and fix it at home?

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For Goldstar / LG / L.G. help, call 1-800-243-0000 (M-F, 7am-8pm CT, Sat 8-5 CT) and choose the appropriate prompt from the menu or visit here.

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Posted on Jul 13, 2008

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When you push start button fuse blows if i disconnect magnetron then its ok would the magnetron be faulty


every possibility that is the case
by disconnecting the magnatron you are disconnecting the circuit that is shorting out
get a quote as the cost will be more than a new unit

Apr 16, 2016 | LG 0.9 Cu. Ft. Combination Microwave /...

1 Answer

Where can I get main board diagram with parts list for an unidentified microwave oven?


Hello Danielle Carter,

Fact is... you are not looking for a fuse...

You need t know why that fuse OPERATED (Blow'd)...

Before we start...
An annoying little known trivia about micro-waves...
If used for EMPTY or for softening single pats of butter
they will soon self destruct (eat themselves... burn-out... fail).

When they do... their "micro-wave-generator" (magnetron) will
consume much more energy and cause the primary (most likely solitary fuse to operate)... "blown fuse".

Would that you had included a model number... (but alas)...

Unidentified... indeed!

Looking up your own model number on eBay or better GETTING your REAL PART NUMBER off of your original parts sheet will allow you to shop for the VERY BEST PRICE.

Sears has an excellent reference library... but if you want the same part you can get everywhere else for the HIGHEST price
SEARs ($$$$) is (not) your place...
(3 estimates... always!).


Don't forget to get that SPARE FUSE...!

Happy hunting.

appliancepartspros...
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Mar 31, 2016 | Microwave Ovens

1 Answer

When i switched on with microwave mode everything going right but inside food gets no hot. How can I solve this? Please help me


try more time if that does not good . it might be time for the repair shop or just replacement

Nov 19, 2015 | LG Microwave Ovens

1 Answer

Why would my kenmore micro wave model 721.66463500 just go dead, no power


There may be a weakened connection around the main power supply 'Transformer'. Sometimes the connections can overheat but if they are removed and replaced it may again make contact. I've had a similar problem and found parts from similar brands to replace the connecting/wiring parts. I soon realized that I could have removed the extra pieces around the wires without causing any electrical problems. That is the minor repair. The major repair would be to replace one of the main features (large or small) which assist the transformer in power functions. Take your time examining the tiniest parts and pieces.

Jun 23, 2014 | Kenmore 62622 Microwave Oven

1 Answer

Try2910227 serial ywmh2205xvb-0 model arcing on the back corner were the rack sits.Is there a way to repair this seen is the unit was purchaced in June of 2011.


Yes, take the rack out and recycle it. I do not know why these micro-wave company put racks in the micro wave ovens. You get some insulation on the inside the micro flaking off next the rack.


The mega-tron tube is a very high energy transmitter. The energy will come out of the top inside the micro wave oven in a wave guide. Micro wave energy that generation by the tube is high frequency into Gega Hertz. You have a metal tray in side the micro wave acts like a big capacitor it stores energy in form of heat the next you know it look like Marconi is putting on a lighting display.



Leave the wire tie on a loft of bread and put in you micro wave oven to defrost. The next thing you might see is a load bread burning, instant toast. ----The use of micro wave were invented by the British before WWII. The mega tron tube generation very high frequency radio wave and these wave struck an object 100 miles away some of this beam energy would balance back to a receiver-----You have Radar.... I wish you and your family well being and be careful of micro wave ovens it can burn from inside out. GB you...stewbison

Aug 22, 2011 | Microwave Ovens

1 Answer

My microwave starts however food does not heat up.


Micro wave as the name suggests produces heat when the micro waves aimed at an object causes the water molecules inside the object to vibrate hence producing heat.The gadget responsible is the magnetron. If your magnetron is not receiving ht voltage or receiving but faulty, then your micro wave wont work please take precaution when opening micro wave due to high voltage caps that remain charged sometimes even when it is off.check the high voltage fuse/ diode and capacitor if they are fine and the step up trans former o.k then the only option is to replace the magnetron

Aug 02, 2010 | GE JVM1790 1000 Watts Convection /...

4 Answers

No heat


The service manual is here.

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

Jan 29, 2010 | Amana RFS12MPS Microwave Oven

1 Answer

Micro is turning on ok and working but not heating up,what would cause that? light is on ok and plate is turning, just not heating


How old is your m wave? Sounds like you need to replace it .You can get a new one from Wal mart for under 75.00.and that will get you the big 1 sq.ft one..I once broke the plate in my m/wave and believe it or not they wanted more for the new plate than I paid for the M/wave BEFORE you do that check your power level settings perhaps it was turned down

Jan 28, 2010 | Sanyo EM-G2585W Microwave Oven

1 Answer

Boiling waer under micro wave lots of steam into micro wave, turn on micro wave ,pop noise like glass miro wave comes on louder hum than normal no heat


Q - The microwave display counts down and the inside light is on,  but nothing is heating and the fan is not running.
A - This most commonly is a bad door switch, other possible problems are a faulty relay or solder joint on the power module, but a bad door switch is most common.
 Q - My microwave is running and sounds like it is working but will not heat up anything.
A - Many thing can do this but, common things are....loose high voltage wire.....poor solder joint on board.....magnetron.....power relay.....
Q - The microwave makes a loud "hum or buzz" noise but will not heat up the food?
A - 9 times out of 10 this is usually this is a bad magnetron, the other time is sometimes a bad high voltage diode. See components section.

Mar 03, 2009 | Amana Radarange Microwave Oven

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