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Zygote

Run Away Electrical Kiln

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Zygote    1

24 hours into this weekend's bisque firing I knew something was up. This usually takes only 12 hours tops, but I still hadn't hit cone 04 yet.

Thinking I might had blown and element, I checked... looking through the spy-holes, I could see a representative section from each bank of the elements glowing.

Quizzed, I turned off the kiln, but the bottom bank went right on going even though the switch was turned to the off position.

Run Away Kiln

While I wait for the kiln to cool I'm wondering if anyone who has had this problem before can zero me in on the problem?

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Zygote    1

So far the word is that it's a stuck relay, replacing the "infinity switch" should make the fix. Quick and easy eh?

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Really good questions. I'd appreciate knowing the details of your kiln: brand, size, special add-ons, age, etc.

 

I also fire electric, but both bisque and glaze (^5 & 6). This has never happened to me but the information from your experience will be a good body of information.

Kathy

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Zygote    1

My current studio kiln is an old Paragon . It's a 240 single phase DK 1029-2 rated to cone 8, but it'd be hard pressed to get to cone 8 now a days.

There aren't any special bells and whistles on this beast. No computer controller or kiln vents, just a kiln sitter and 3 knobs, each controlling a separate bank of elements.

I fire this old work horse 3 or 4 times a month to bisque and cone 6. Other than replacing a few rouge elements and the kiln sitter, it's been a very dependable kiln.

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I have a similar problem with miy old kiln. It sticks on and the cone in the shut off switch melts but doesn't bend locking in the on position for hours until I turn it off. It's ruined a couple of lowfire glaze projects by melting the glazes.Any insight as to how to get the cones to work correctly all the time?

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