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nikki  
#1 Posted : Thursday, February 7, 2008 10:13:56 AM(UTC)
nikki

Rank: Member

Groups: Registered
Joined: 2/7/2008(UTC)
Posts: 2

Hello all, This is my first time here. First off I know Mr. Coffee are cheep and could be just easier to just buy a new one, but I like a challenge and the knowledge I get for trying to fix it.
It just stoped heating and brewing, but everything else works; on, off, timer, ect... Looking inside, I understand how it works with it's low voltage and high voltage sides. I believe I have traced the problem to the 2 electrial commponents that are soddered in series together from one end of the heating element over to the temp/high temp switch on the side of the heating element. My question is, what are they? They are discolored from the heat and I can't read what they are. If I knew what they were I could just sodder in 2 more in their place. They are small, barrel looking about 3/4" long with one end pointy, with a fairly solid wire comming from each end, soddered in series together from one end of the heating element to the, I think, high temp limit switch. I would appreaicate any information I can get.

Thanks in advance,
Larry
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kooler  
#2 Posted : Friday, February 8, 2008 1:30:35 PM(UTC)
kooler

Rank: Advanced Member

Groups: Senior Expert
Joined: 10/31/2007(UTC)
Posts: 214

Yeah, I've seen this before... They are high temp overloads (what I call them) hopefully not burned too black that you can't read the sides which should give you a temp rating... I've found replacements with mcm electronics on the web and soldered them in place to repair the unit... Radio shack may carry them as well so take the old ones with you if they're nearby.. I remember seeing 2 of these in the same circuit but each had different temp ratings which I couldn't figure WHY, knowing the lower temp rating would always burn out first... Plus this problem was with a maker even cheaper than Mr. Coffee... Good luck
nikki  
#3 Posted : Saturday, February 9, 2008 8:41:24 AM(UTC)
nikki

Rank: Member

Groups: Registered
Joined: 2/7/2008(UTC)
Posts: 2

Thanks Kooler. What I finally found out was they are Thermistors. look like Diodes, but with one pointy end. Radio shack does carry them but the 2 radio shacks I went to thought they were diodes and didn't have them. An electronics store I found knew what they were and had them for $2.25 for both. Saved about $25.00 for a new Mr Coffee.Thanks all.
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