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Home | Panasonic | NN-H275 1100 Watts Microwave Oven | Keeps blowing fuses
Panasonic NN-H275 1100 Watts Microwave Oven
Problem for Panasonic NN-H275 1100 Watts Microwave Oven

Keeps blowing fuses




By smclunk on Nov 07, 2008

" "
microwave blew the internal fuse, replaced it and everything works fine until you use the microwave and it blows the fuse again.
Comments:

Nov 09, 2008

- it is an NN-H275. it blows the fuse immediately after pressing start.
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Clarification Request

Posted by MicrowaveSvc on Nov 08, 2008

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it goes dead or blows the breaker (or GFI) when you plug it in or open or close the door, then there's a problem with a door switch or door switch mount.

Does either situation describe yours?

Do you have the model number?

Same Problem

Apr 18, 2009

-   I have the same problem. In my case we were boiling water on the stove and when we went to microwave some frozen vegetables the microwave went dead as soon as the start button was pushed. There was a lot of condensation under the microwave which could have been on the circuit board as well. I also replaced the fuse and the display will power up and all the lights and fan functions work. But when you try to microwave anything the fuse blows immediately. -   j_mel

Best Solution

posted on Nov 09, 2008
Very Helpful)

MicrowaveSvc
MicrowaveSvc

Rank: Guru  Panasonic Kitchen Appliances  Expert
Rating: 89%, 5031 votes
If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

Here is a link you or someone you know can use to test it, but please read the safety info:
http://www.gallawa.com/microtech/cap_test.html

You can order Panasonic parts from Tritronics here or by calling 866-779-5835, but if you don't find what you're looking for there, try here.

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

Comments:

Jan 02, 2009

-
UPDATE: Tritronics is now Encompass and you can order from them here or by calling 866-779-5835 toll-free.

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Solution #2

posted on Jul 27, 2009
Not Rated)

wiznet2000
wiznet2000

Rank: Wiz  Kitchen Appliances  Expert
Rating: 83%, 60 votes
This problem is just like my own microwave, replace the shorted HV capacitor
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