Question about Frigidaire PLMV169DC Microwave Oven

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Have a frigidaire PLMV169DCA- it will not heat and makes a loud roaring sound. If you enter power level zero it doesnt make the noise. Only 1 yr old.

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  • Eric Duda
    Eric Duda May 11, 2010

    Sounds like a shorted Mag or bad Cap/Diode in the High Voltage circuit. Mag may have a warrenty longer than a year, consult your manual.
    Eric

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2315 Answers

SOURCE: I have Frigidaire microwave (PLMV169DCA).

You will need to replace the magnetron.
Check this website for more info on the magnetron.

Posted on May 16, 2008

  • 13433 Answers

SOURCE: I have Frigidaire microwave (PLMV169DCA).

I suggest you get it repaired - if you have warranty that is.

Might be cheaper to buy a new microwave, not sure on how much the parts would cost.

Posted on May 16, 2008

  • 38 Answers

SOURCE: My Frigidaire over the stove microwave not heating food

Hi,It is most likely the magnetron and diode that has to be replaced. This job should be done by a tech, High voltage. Magnetron's normally have a five year warranty, check your owners manual.

Posted on Mar 20, 2009

  • 670 Answers

SOURCE: My Frigidaire microwave is less than a year old.

The symptoms of loud noise and no heat indicate a short in the magnetron or high voltage diode. Need to take it to a qualified repair, to figure out what the problem. The magnetron replacement can cost as much as a new oven. See what the warranty covers, maybe you might luck out.

Posted on Dec 07, 2010

  • 1 Answer

SOURCE: My Frigidaire microwave model# PLMVZ169GCC

Intermittent load noise (usual intermittent pulse noise is exaggerated) and the food is not heating though everything else seems to opperate normally: The Triac or Diode is capute.

You need to replace this part (@$30), but first need to discharge the capacitor, which is dangerous. I am going to give it a "shot", and not a "shock", all the punn intended. I will use an long insulated screw driver to touch both of the 2/3 tines of the adjacent capacitor, which will give a load "POP!" 2-3x to insure the stored energy is diffused.
Then, hopefully, simply replace the longe wire diode.
TaDa!

Posted on Feb 26, 2011

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Frigidare plmb186cc


Good Afternoon Friend,

I understand that you are noticing less noise, after about a second of starting your Frigidaire microwave, model# PLMB186CC. I suggest checking to see if the power level was changed. The blower sound will be different at levels other than "HIGH". As long as it is still heating, there is no cause for alarm. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your washer status has changed successfully. Hope this is helpful.

-Best Regards-
WP

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My Frigidaire microwave is less than a year old. It is making a loud noise while running. So it runs loudly but does not heat up food. Is there a simple fix or did I get a dud?


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Microwave makes loud noise and does not heat. Smell of light burning


Chances are you have a bad magnetron.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

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

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