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ApplianceGuru.com: The Samurai Appliance Repair Forums > Do-It-Yourself Appliance Repair Help > The Kitchen Appliance Repair Forum > Whirlpool Microwave Oven Model # MH7140XFB-1 Serial # XC L 3030255

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Whirlpool Microwave Oven Model # MH7140XFB-1 Serial # XC L 3030255  Rate Topic 
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 Posted: Mon Apr 20th, 2009 11:45 pm
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Jkingsley7
Apprentice Appliantologist
 

Joined: Thu Apr 16th, 2009
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Flavorite Brew: Sam Adams
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 2 Problems

1st problem

I was in the midst of Spring Cleaning with the wife and I took off the top grill because it was greasy and started cleaning that area while cleaning it I noticed that the Touchpad control panel had grease and dirt on it also on the sides So in my genius of a moment I took off the screw and lowered the panel and sprayed the side of it and also soaked and cleaned and sprayed the top exhaust grill above the door and panel area.  When I closed everything up It seemed to be fine I then wiped down the face of it etc.. When I looked at it later The Panel was dark and nothing at all worked on it So I checked the fuse downstairs checked ot make sure it was plugged in and everything was okay.  But When I looked at the Wiring Technical Diagram about 10 - 15 minutes finally figured out to follow the power cord and all I have to check it was a Red Voltage pen that when you touch a wire or outlet it lights up and tells  you if it has power between 50 and something else vac.   SO I check the power cord and the pen light up .  I then touched the brown wire and it light up I then touched the rectangular porcelain looking fuse thing in a very very tight spot and the top of it light up.  I then proceeded to touch the bottom of the fuse and nothing happened.  I then touched the Black and red wires exiting the brown rectangular porcelain thing and they did not light up.  THe fuse says it is 250 V20 A I believe

So My question is is this what i blew some how  and Can i get this fuse at radioshack or somewhere around me.    If you do not think this is the problem please tell me what else I should be looking at doing checking etc..

Secondl Problem

very easy answer I noticed there was a recall on 2001 Whirlpool Microwave ovens starting with serial number xc  How do I now if it is expired or I can still have it serviced also and if not what was recall for additionally it may not affect mine at all who knows Alright then

If you have any pictures visuals of how to replace fuse etc I would greatly appreciate it

There is also A Brown partition in front of the fuse making it almost impossible to remove with just a apir of plastic fuse tweezers so How Do I remove or replace the fuse if this is what it is

THank You for being so long winded But I tried to include all the steps I did and what I did not do

TInkering Grasshopper in need of help

John

If you want a picture of the insides or any other information I will  gladly email it to you just let me know thanks My email is JKingsley7@cox.net
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 Posted: Tue Apr 21st, 2009 01:01 am
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RegUS_PatOff
Fellow, Academy of Sublime Masters of Appliantology


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Whirlpool Microwave Recall Information


20A 250V Ceramic Fuse for Microwave Ovens (4-Pack)  $2.99
click on picture


also: if you have a Harbor Freight Store near you,

they have this meter, normally $ 4.99, w/battery

but sometimes on sale for $ 2.99
if on sale, print sale page and take to store
 

click on picture




These used to be $ 4.99, but now they're $ 7.99

click on picture


OR this one

click on picture


Last edited on Tue Apr 21st, 2009 01:14 am by RegUS_PatOff



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 Posted: Tue Apr 21st, 2009 09:21 pm
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Jkingsley7
Apprentice Appliantologist
 

Joined: Thu Apr 16th, 2009
Location:  
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 Yes If anyone can Please help me with how to remove the fuse I would greatly appreciate it

Thank you

John Kingsley
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