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Fan in my LG oven starts then within a few minutes. Could it be the screw?

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  • Rick Gorsky Aug 23, 2018

    ...minutes stops

  • zappal Nov 08, 2018

    Could you explain in more detail?

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2 Answers

Our LG over the stove microwave oven LMHM2017ST is powerless.


Probably burned up the magnetron. You are cautioned not to operate the oven empty.

Jul 27, 2017 | LG Microwave Ovens

1 Answer

Exterior of oven , top and both sides gets very hot to touch, when cooking +- 10 minutes or more the last couple of days; no Error ( E41/42/45 or 47 are being displayed. Fan is normal, functions: OK


There could be food or oil buildup around the door frame which will absorb some of the radiant and microwave energy whilst cooking. Give it all a good clean and see if that helps. If everything else is working properly, it may be a problem with the cooling fan. Microwave ovens have a "stirrer fan" inside the roof or rear of the cooking area to disperse the microwaves and some convection / microwave ovens also have a cooling fan which assists in dissipating heat within the cabinet.

Jan 04, 2016 | Microwave Ovens

1 Answer

Microwave would cut off after a few minutes and then turn back on but now there is no power at all.


There are few reasons for this fault, but the main is that you need to open your microwave oven and first check the Fan which is connected at the back which cools the magnetron.
If this fan fails thus results in magnetron being overheated and the thermal cutoff gets open circiut and shuts down whole power of your microwave oven.
Check your fan motor test it straight with direct power
Also check the thermal cutoff.

Let me know after you have done those checkups



Regards
Ashwin

May 22, 2015 | Magic Chef MCD1611ST Microwave Oven

2 Answers

Fan runs when microwave door opened


-You're already answer yourself.


Good luck


Mai

Jan 22, 2018 | GE JVM1650 1000 Watts Microwave Oven

1 Answer

Whirlpool Microwave Hood Combination MH3184XPS-0 (October 2004), for no reason at all, this morning keeps beeping and running the power setting down from 10 to 1, and just keeps doing it in rapid sequence....


Ours just started doing this exact same thing this past Friday - 12/11/09. What's going on? The cook power just starts beeping all by itself and going from 10 down to 1 over and over again. It may stop momentarily, but then starts again within a minute or so - it's constant until we unplug it. We plug it back in and within a few minutes it starts doing it again. What gives?

Dec 08, 2009 | Whirlpool MH3184XP Microwave Oven

1 Answer

I have an LG LMVH1750ST microwave convection oven. When I activate the fan for cooking purposes and then try to turn off, it does not respond. I have to pull electrical plug and reprogram for one minute....


From the owner's manual under OPERATION "VENT FAN":

"If the temperature from the range or cooktop below the oven gets too hot, the vent fan in the vent hood will automatically turn on at the 4-Speed setting to protect the oven. When this occurs, the VENT ON/OFF pad will not turn the fan off."

You should check your "vent fan auto time set" setting.

Here's one thing to try to set it to turn off after 10 minutes:

Touch the Vent ON/OFF pad, then touch the "5-SPEED VENT" pad until "level 4" appears in the display, then touch "AUTO TIME SET" the desired number of times.

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

Jun 19, 2008 | LG Microwave Ovens

1 Answer

Microwave Ultrawave with Hood fan


You are right. f4 means shorted oven temperature sensor (RTD). Check sensor harness and harness connection between oven sensor and oven control. Replace oven temperature sensor (RTD) if wiring is ok.

Apr 04, 2008 | Microwave Ovens

2 Answers

GE jvm1190 above the range microwave /convection (2001 model)


It sounds just like the magnetron is bad, overheating and opening the thermostat. This is how it would work if that were the case.

 

One other thing is to be sure that the cooling fan is running and that you feel air flow.

 

You should check the air filter and grille, as well as the outside vent for any blockage.

 

If you or a friend decide to work on it, we have *critical* safety, disassembly, and troubleshooting info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

 

You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383

Oct 10, 2007 | GE JVM1190SY/WY/AY/BY Microwave Oven

2 Answers

Vent fan runs intermittently, starts on and off regularily


I don't have the manual but there should be a temperature setting for the fan to come on.

Jun 23, 2007 | Bosch HMV9305 Microwave Oven

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