Hollyfaucheux Posted September 5, 2016 Report Share Posted September 5, 2016 Ok, let me just start with I know next to NOTHING about firing times and temps.. I kinda just started messing around in my bf's grandmothers shop that has been abandoned for over 10 years! She has forgot a lot, but she helps on things she remembers.. So anyway.. 2 nights ago I fired a load and her kiln uses the cones.. So I put in cone 6 and normally we have down an hour on low, hour on med, and put it on high and automatically shuts itself off in no longer then 2 hours.. Well that night it was well into hour 3 and still not shutting off! And it was 2am and I was tired and didn't want to leave it running incase it would shut off so I turned it off... I told her and she said she would only leave it on high for an hour and shut it off.. So the next day I opened it and the cone only had a slite bend to it.. That typically are U shape when I open the kiln the next morning... Is this something that I should be concerned about??? Link to comment Share on other sites More sharing options...
bciskepottery Posted September 5, 2016 Report Share Posted September 5, 2016 You might have a bad element, or a bad thermocouple, or . . . a number of things could have gotten out of whack over the past ten years. Can you provide the type and model of kiln? Does it have a kiln sitter? Or just switches/dials and a timer? How the elements look -- any obvious breaks in the elements? Are they laying on their side? When you turn the kiln on, do they light up? Perhaps a picture of the inside and outside that shows controls. Link to comment Share on other sites More sharing options...
neilestrick Posted September 6, 2016 Report Share Posted September 6, 2016 Some kilns will need an hour on high, some will need 6 hours on high. Depends on the kiln. 3 hours doesn't seem unreasonable. Let it run until the cone drops. Link to comment Share on other sites More sharing options...
Chilly Posted September 7, 2016 Report Share Posted September 7, 2016 Are you sure you needed a ^6 and not an ^06? Link to comment Share on other sites More sharing options...
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